ipc/shm.c: coding style fixes

This patch fixes below warnings:

  WARNING: Missing a blank line after declarations
  WARNING: Block comments use a trailing */ on a separate line
  ERROR: spaces required around that '=' (ctx:WxV)

Above warnings were reported by checkpatch.pl

Link: http://lkml.kernel.org/r/1478604980-18062-1-git-send-email-p.shailesh@samsung.comSigned-off-by: NShailesh Pandey <p.shailesh@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

ipc/shm.c

@@ -89,6 +89,7 @@ void shm_init_ns(struct ipc_namespace *ns)
 static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
 {
 	struct shmid_kernel *shp;
+
 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);
 
 	if (shp->shm_nattch) {
@@ -387,6 +388,7 @@ static int shm_set_policy(struct vm_area_struct *vma, struct mempolicy *new)
 	struct file *file = vma->vm_file;
 	struct shm_file_data *sfd = shm_file_data(file);
 	int err = 0;
+
 	if (sfd->vm_ops->set_policy)
 		err = sfd->vm_ops->set_policy(vma, new);
 	return err;
@@ -417,7 +419,7 @@ static int shm_mmap(struct file *file, struct vm_area_struct *vma)
 	 * In case of remap_file_pages() emulation, the file can represent
 	 * removed IPC ID: propogate shm_lock() error to caller.
 	 */
-	ret =__shm_open(vma);
+	ret = __shm_open(vma);
 	if (ret)
 		return ret;
 
@@ -468,6 +470,7 @@ static unsigned long shm_get_unmapped_area(struct file *file,
 	unsigned long flags)
 {
 	struct shm_file_data *sfd = shm_file_data(file);
+
 	return sfd->file->f_op->get_unmapped_area(sfd->file, addr, len,
 						pgoff, flags);
 }
@@ -766,6 +769,7 @@ static void shm_add_rss_swap(struct shmid_kernel *shp,
 	} else {
 #ifdef CONFIG_SHMEM
 		struct shmem_inode_info *info = SHMEM_I(inode);
+
 		spin_lock_irq(&info->lock);
 		*rss_add += inode->i_mapping->nrpages;
 		*swp_add += info->swapped;
@@ -1028,6 +1032,7 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
 
 		if (!ns_capable(ns->user_ns, CAP_IPC_LOCK)) {
 			kuid_t euid = current_euid();
+
 			if (!uid_eq(euid, shp->shm_perm.uid) &&
 			    !uid_eq(euid, shp->shm_perm.cuid)) {
 				err = -EPERM;
@@ -1045,6 +1050,7 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
 
 		if (cmd == SHM_LOCK) {
 			struct user_struct *user = current_user();
+
 			err = shmem_lock(shm_file, 1, user);
 			if (!err && !(shp->shm_perm.mode & SHM_LOCKED)) {
 				shp->shm_perm.mode |= SHM_LOCKED;
@@ -1354,9 +1360,10 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 		vma = next;
 	}
 
-#else /* CONFIG_MMU */
+#else	/* CONFIG_MMU */
 	/* under NOMMU conditions, the exact address to be destroyed must be
-	 * given */
+	 * given
+	 */
 	if (vma && vma->vm_start == addr && vma->vm_ops == &shm_vm_ops) {
 		do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
 		retval = 0;