Fix some coding-style errors in autofs

Fix coding style errors (extra spaces, long lines) in autofs and autofs4 files
being modified for container/pidspace issues.
Signed-off-by: NSukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: <containers@lists.osdl.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/autofs/inode.c

@@ -34,12 +34,12 @@ void autofs_kill_sb(struct super_block *sb)
 	if (!sbi)
 		goto out_kill_sb;
 
-	if ( !sbi->catatonic )
+	if (!sbi->catatonic)
 		autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
 
 	autofs_hash_nuke(sbi);
-	for ( n = 0 ; n < AUTOFS_MAX_SYMLINKS ; n++ ) {
-		if ( test_bit(n, sbi->symlink_bitmap) )
+	for (n = 0; n < AUTOFS_MAX_SYMLINKS; n++) {
+		if (test_bit(n, sbi->symlink_bitmap))
 			kfree(sbi->symlink[n].data);
 	}
 
@@ -69,7 +69,8 @@ static match_table_t autofs_tokens = {
 	{Opt_err, NULL}
 };
 
-static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid, pid_t *pgrp, int *minproto, int *maxproto)
+static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
+		pid_t *pgrp, int *minproto, int *maxproto)
 {
 	char *p;
 	substring_t args[MAX_OPT_ARGS];
@@ -140,7 +141,7 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 	int minproto, maxproto;
 
 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
-	if ( !sbi )
+	if (!sbi)
 		goto fail_unlock;
 	DPRINTK(("autofs: starting up, sbi = %p\n",sbi));
 
@@ -169,14 +170,16 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 		goto fail_iput;
 
 	/* Can this call block?  - WTF cares? s is locked. */
-	if ( parse_options(data,&pipefd,&root_inode->i_uid,&root_inode->i_gid,&sbi->oz_pgrp,&minproto,&maxproto) ) {
+	if (parse_options(data, &pipefd, &root_inode->i_uid,
+				&root_inode->i_gid, &sbi->oz_pgrp, &minproto,
+				&maxproto)) {
 		printk("autofs: called with bogus options\n");
 		goto fail_dput;
 	}
 
 	/* Couldn't this be tested earlier? */
-	if ( minproto > AUTOFS_PROTO_VERSION || 
-	     maxproto < AUTOFS_PROTO_VERSION ) {
+	if (minproto > AUTOFS_PROTO_VERSION ||
+	     maxproto < AUTOFS_PROTO_VERSION) {
 		printk("autofs: kernel does not match daemon version\n");
 		goto fail_dput;
 	}
@@ -184,11 +187,11 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 	DPRINTK(("autofs: pipe fd = %d, pgrp = %u\n", pipefd, sbi->oz_pgrp));
 	pipe = fget(pipefd);
 	
-	if ( !pipe ) {
+	if (!pipe) {
 		printk("autofs: could not open pipe file descriptor\n");
 		goto fail_dput;
 	}
-	if ( !pipe->f_op || !pipe->f_op->write )
+	if (!pipe->f_op || !pipe->f_op->write)
 		goto fail_fput;
 	sbi->pipe = pipe;
 	sbi->catatonic = 0;
@@ -230,7 +233,7 @@ static void autofs_read_inode(struct inode *inode)
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 	inode->i_blocks = 0;
 
-	if ( ino == AUTOFS_ROOT_INO ) {
+	if (ino == AUTOFS_ROOT_INO) {
 		inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
 		inode->i_op = &autofs_root_inode_operations;
 		inode->i_fop = &autofs_root_operations;
@@ -241,12 +244,12 @@ static void autofs_read_inode(struct inode *inode)
 	inode->i_uid = inode->i_sb->s_root->d_inode->i_uid;
 	inode->i_gid = inode->i_sb->s_root->d_inode->i_gid;
 	
-	if ( ino >= AUTOFS_FIRST_SYMLINK && ino < AUTOFS_FIRST_DIR_INO ) {
+	if (ino >= AUTOFS_FIRST_SYMLINK && ino < AUTOFS_FIRST_DIR_INO) {
 		/* Symlink inode - should be in symlink list */
 		struct autofs_symlink *sl;
 
 		n = ino - AUTOFS_FIRST_SYMLINK;
-		if ( n >= AUTOFS_MAX_SYMLINKS || !test_bit(n,sbi->symlink_bitmap)) {
+		if (n >= AUTOFS_MAX_SYMLINKS || !test_bit(n,sbi->symlink_bitmap)) {
 			printk("autofs: Looking for bad symlink inode %u\n", (unsigned int) ino);
 			return;
 		}

fs/autofs/root.c

@@ -67,8 +67,8 @@ static int autofs_root_readdir(struct file *filp, void *dirent, filldir_t filldi
 		filp->f_pos = ++nr;
 		/* fall through */
 	default:
-		while ( onr = nr, ent = autofs_hash_enum(dirhash,&nr,ent) ) {
-			if ( !ent->dentry || d_mountpoint(ent->dentry) ) {
+		while (onr = nr, ent = autofs_hash_enum(dirhash,&nr,ent)) {
+			if (!ent->dentry || d_mountpoint(ent->dentry)) {
 				if (filldir(dirent,ent->name,ent->len,onr,ent->ino,DT_UNKNOWN) < 0)
 					goto out;
 				filp->f_pos = nr;
@@ -88,10 +88,10 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str
 	struct autofs_dir_ent *ent;
 	int status = 0;
 
-	if ( !(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)) ) {
+	if (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name))) {
 		do {
-			if ( status && dentry->d_inode ) {
-				if ( status != -ENOENT )
+			if (status && dentry->d_inode) {
+				if (status != -ENOENT)
 					printk("autofs warning: lookup failure on positive dentry, status = %d, name = %s\n", status, dentry->d_name.name);
 				return 0; /* Try to get the kernel to invalidate this dentry */
 			}
@@ -106,7 +106,7 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str
 				return 1;
 			}
 			status = autofs_wait(sbi, &dentry->d_name);
-		} while (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)) );
+		} while (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)));
 	}
 
 	/* Abuse this field as a pointer to the directory entry, used to
@@ -124,13 +124,13 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str
 
 	/* If this is a directory that isn't a mount point, bitch at the
 	   daemon and fix it in user space */
-	if ( S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry) ) {
+	if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) {
 		return !autofs_wait(sbi, &dentry->d_name);
 	}
 
 	/* We don't update the usages for the autofs daemon itself, this
 	   is necessary for recursive autofs mounts */
-	if ( !autofs_oz_mode(sbi) ) {
+	if (!autofs_oz_mode(sbi)) {
 		autofs_update_usage(&sbi->dirhash,ent);
 	}
 
@@ -157,7 +157,7 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd)
 	sbi = autofs_sbi(dir->i_sb);
 
 	/* Pending dentry */
-	if ( dentry->d_flags & DCACHE_AUTOFS_PENDING ) {
+	if (dentry->d_flags & DCACHE_AUTOFS_PENDING) {
 		if (autofs_oz_mode(sbi))
 			res = 1;
 		else
@@ -173,7 +173,7 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd)
 	}
 		
 	/* Check for a non-mountpoint directory */
-	if ( S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry) ) {
+	if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) {
 		if (autofs_oz_mode(sbi))
 			res = 1;
 		else
@@ -183,9 +183,9 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd)
 	}
 
 	/* Update the usage list */
-	if ( !autofs_oz_mode(sbi) ) {
+	if (!autofs_oz_mode(sbi)) {
 		ent = (struct autofs_dir_ent *) dentry->d_time;
-		if ( ent )
+		if (ent)
 			autofs_update_usage(&sbi->dirhash,ent);
 	}
 	unlock_kernel();
@@ -258,7 +258,7 @@ static struct dentry *autofs_root_lookup(struct inode *dir, struct dentry *dentr
 	 * doesn't do the right thing for all system calls, but it should
 	 * be OK for the operations we permit from an autofs.
 	 */
-	if ( dentry->d_inode && d_unhashed(dentry) )
+	if (dentry->d_inode && d_unhashed(dentry))
 		return ERR_PTR(-ENOENT);
 
 	return NULL;
@@ -277,18 +277,18 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c
 	autofs_say(dentry->d_name.name,dentry->d_name.len);
 
 	lock_kernel();
-	if ( !autofs_oz_mode(sbi) ) {
+	if (!autofs_oz_mode(sbi)) {
 		unlock_kernel();
 		return -EACCES;
 	}
 
-	if ( autofs_hash_lookup(dh, &dentry->d_name) ) {
+	if (autofs_hash_lookup(dh, &dentry->d_name)) {
 		unlock_kernel();
 		return -EEXIST;
 	}
 
 	n = find_first_zero_bit(sbi->symlink_bitmap,AUTOFS_MAX_SYMLINKS);
-	if ( n >= AUTOFS_MAX_SYMLINKS ) {
+	if (n >= AUTOFS_MAX_SYMLINKS) {
 		unlock_kernel();
 		return -ENOSPC;
 	}
@@ -297,14 +297,14 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c
 	sl = &sbi->symlink[n];
 	sl->len = strlen(symname);
 	sl->data = kmalloc(slsize = sl->len+1, GFP_KERNEL);
-	if ( !sl->data ) {
+	if (!sl->data) {
 		clear_bit(n,sbi->symlink_bitmap);
 		unlock_kernel();
 		return -ENOSPC;
 	}
 
 	ent = kmalloc(sizeof(struct autofs_dir_ent), GFP_KERNEL);
-	if ( !ent ) {
+	if (!ent) {
 		kfree(sl->data);
 		clear_bit(n,sbi->symlink_bitmap);
 		unlock_kernel();
@@ -312,7 +312,7 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c
 	}
 
 	ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL);
-	if ( !ent->name ) {
+	if (!ent->name) {
 		kfree(sl->data);
 		kfree(ent);
 		clear_bit(n,sbi->symlink_bitmap);
@@ -354,23 +354,23 @@ static int autofs_root_unlink(struct inode *dir, struct dentry *dentry)
 
 	/* This allows root to remove symlinks */
 	lock_kernel();
-	if ( !autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) ) {
+	if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN)) {
 		unlock_kernel();
 		return -EACCES;
 	}
 
 	ent = autofs_hash_lookup(dh, &dentry->d_name);
-	if ( !ent ) {
+	if (!ent) {
 		unlock_kernel();
 		return -ENOENT;
 	}
 
 	n = ent->ino - AUTOFS_FIRST_SYMLINK;
-	if ( n >= AUTOFS_MAX_SYMLINKS ) {
+	if (n >= AUTOFS_MAX_SYMLINKS) {
 		unlock_kernel();
 		return -EISDIR;	/* It's a directory, dummy */
 	}
-	if ( !test_bit(n,sbi->symlink_bitmap) ) {
+	if (!test_bit(n,sbi->symlink_bitmap)) {
 		unlock_kernel();
 		return -EINVAL;	/* Nonexistent symlink?  Shouldn't happen */
 	}
@@ -392,23 +392,23 @@ static int autofs_root_rmdir(struct inode *dir, struct dentry *dentry)
 	struct autofs_dir_ent *ent;
 
 	lock_kernel();
-	if ( !autofs_oz_mode(sbi) ) {
+	if (!autofs_oz_mode(sbi)) {
 		unlock_kernel();
 		return -EACCES;
 	}
 
 	ent = autofs_hash_lookup(dh, &dentry->d_name);
-	if ( !ent ) {
+	if (!ent) {
 		unlock_kernel();
 		return -ENOENT;
 	}
 
-	if ( (unsigned int)ent->ino < AUTOFS_FIRST_DIR_INO ) {
+	if ((unsigned int)ent->ino < AUTOFS_FIRST_DIR_INO) {
 		unlock_kernel();
 		return -ENOTDIR; /* Not a directory */
 	}
 
-	if ( ent->dentry != dentry ) {
+	if (ent->dentry != dentry) {
 		printk("autofs_rmdir: odentry != dentry for entry %s\n", dentry->d_name.name);
 	}
 
@@ -429,18 +429,18 @@ static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	ino_t ino;
 
 	lock_kernel();
-	if ( !autofs_oz_mode(sbi) ) {
+	if (!autofs_oz_mode(sbi)) {
 		unlock_kernel();
 		return -EACCES;
 	}
 
 	ent = autofs_hash_lookup(dh, &dentry->d_name);
-	if ( ent ) {
+	if (ent) {
 		unlock_kernel();
 		return -EEXIST;
 	}
 
-	if ( sbi->next_dir_ino < AUTOFS_FIRST_DIR_INO ) {
+	if (sbi->next_dir_ino < AUTOFS_FIRST_DIR_INO) {
 		printk("autofs: Out of inode numbers -- what the heck did you do??\n");
 		unlock_kernel();
 		return -ENOSPC;
@@ -448,13 +448,13 @@ static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	ino = sbi->next_dir_ino++;
 
 	ent = kmalloc(sizeof(struct autofs_dir_ent), GFP_KERNEL);
-	if ( !ent ) {
+	if (!ent) {
 		unlock_kernel();
 		return -ENOSPC;
 	}
 
 	ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL);
-	if ( !ent->name ) {
+	if (!ent->name) {
 		kfree(ent);
 		unlock_kernel();
 		return -ENOSPC;
@@ -483,7 +483,7 @@ static inline int autofs_get_set_timeout(struct autofs_sb_info *sbi,
 	    put_user(sbi->exp_timeout / HZ, p))
 		return -EFAULT;
 
-	if ( ntimeout > ULONG_MAX/HZ )
+	if (ntimeout > ULONG_MAX/HZ)
 		sbi->exp_timeout = 0;
 	else
 		sbi->exp_timeout = ntimeout * HZ;
@@ -511,15 +511,14 @@ static inline int autofs_expire_run(struct super_block *sb,
 	pkt.hdr.proto_version = AUTOFS_PROTO_VERSION;
 	pkt.hdr.type = autofs_ptype_expire;
 
-	if ( !sbi->exp_timeout ||
-	     !(ent = autofs_expire(sb,sbi,mnt)) )
+	if (!sbi->exp_timeout || !(ent = autofs_expire(sb,sbi,mnt)))
 		return -EAGAIN;
 
 	pkt.len = ent->len;
 	memcpy(pkt.name, ent->name, pkt.len);
 	pkt.name[pkt.len] = '\0';
 
-	if ( copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire)) )
+	if (copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire)))
 		return -EFAULT;
 
 	return 0;
@@ -537,11 +536,11 @@ static int autofs_root_ioctl(struct inode *inode, struct file *filp,
 
 	DPRINTK(("autofs_ioctl: cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u\n",cmd,arg,sbi,process_group(current)));
 
-	if ( _IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
-	     _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT )
+	if (_IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
+	     _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT)
 		return -ENOTTY;
 	
-	if ( !autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) )
+	if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	
 	switch(cmd) {

fs/autofs4/inode.c

@@ -218,8 +218,7 @@ static match_table_t tokens = {
 };
 
 static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
-			 pid_t *pgrp, unsigned int *type,
-			 int *minproto, int *maxproto)
+		pid_t *pgrp, unsigned int *type, int *minproto, int *maxproto)
 {
 	char *p;
 	substring_t args[MAX_OPT_ARGS];
@@ -314,7 +313,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	struct autofs_info *ino;
 
 	sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
-	if ( !sbi )
+	if (!sbi)
 		goto fail_unlock;
 	DPRINTK("starting up, sbi = %p",sbi);
 
@@ -363,10 +362,9 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	root->d_fsdata = ino;
 
 	/* Can this call block? */
-	if (parse_options(data, &pipefd,
-			  &root_inode->i_uid, &root_inode->i_gid,
-			  &sbi->oz_pgrp, &sbi->type,
-			  &sbi->min_proto, &sbi->max_proto)) {
+	if (parse_options(data, &pipefd, &root_inode->i_uid, &root_inode->i_gid,
+				&sbi->oz_pgrp, &sbi->type, &sbi->min_proto,
+				&sbi->max_proto)) {
 		printk("autofs: called with bogus options\n");
 		goto fail_dput;
 	}
@@ -396,11 +394,11 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	DPRINTK("pipe fd = %d, pgrp = %u", pipefd, sbi->oz_pgrp);
 	pipe = fget(pipefd);
 	
-	if ( !pipe ) {
+	if (!pipe) {
 		printk("autofs: could not open pipe file descriptor\n");
 		goto fail_dput;
 	}
-	if ( !pipe->f_op || !pipe->f_op->write )
+	if (!pipe->f_op || !pipe->f_op->write)
 		goto fail_fput;
 	sbi->pipe = pipe;
 	sbi->pipefd = pipefd;

fs/autofs4/root.c

@@ -759,7 +759,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
 	struct autofs_info *p_ino;
 	
 	/* This allows root to remove symlinks */
-	if ( !autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) )
+	if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
 		return -EACCES;
 
 	if (atomic_dec_and_test(&ino->count)) {
@@ -833,7 +833,7 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	struct autofs_info *p_ino;
 	struct inode *inode;
 
-	if ( !autofs4_oz_mode(sbi) )
+	if (!autofs4_oz_mode(sbi))
 		return -EACCES;
 
 	DPRINTK("dentry %p, creating %.*s",
@@ -871,11 +871,11 @@ static inline int autofs4_get_set_timeout(struct autofs_sb_info *sbi,
 	int rv;
 	unsigned long ntimeout;
 
-	if ( (rv = get_user(ntimeout, p)) ||
-	     (rv = put_user(sbi->exp_timeout/HZ, p)) )
+	if ((rv = get_user(ntimeout, p)) ||
+	     (rv = put_user(sbi->exp_timeout/HZ, p)))
 		return rv;
 
-	if ( ntimeout > ULONG_MAX/HZ )
+	if (ntimeout > ULONG_MAX/HZ)
 		sbi->exp_timeout = 0;
 	else
 		sbi->exp_timeout = ntimeout * HZ;
@@ -906,7 +906,7 @@ static inline int autofs4_ask_reghost(struct autofs_sb_info *sbi, int __user *p)
 	DPRINTK("returning %d", sbi->needs_reghost);
 
 	status = put_user(sbi->needs_reghost, p);
-	if ( status )
+	if (status)
 		return status;
 
 	sbi->needs_reghost = 0;
@@ -975,11 +975,11 @@ static int autofs4_root_ioctl(struct inode *inode, struct file *filp,
 	DPRINTK("cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u",
 		cmd,arg,sbi,process_group(current));
 
-	if ( _IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
-	     _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT )
+	if (_IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
+	     _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT)
 		return -ENOTTY;
 	
-	if ( !autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) )
+	if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	
 	switch(cmd) {