提交 970648eb 编写于 作者: J Jan Harkes 提交者: Linus Torvalds

coda: ignore returned values when upcalls return errors

Venus returns an ENOENT error on open, so we shouldn't try to grab the
filehandle for the returned fd.
Signed-off-by: NJan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 37461e19
......@@ -84,12 +84,8 @@ int venus_rootfid(struct super_block *sb, struct CodaFid *fidp)
UPARG(CODA_ROOT);
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (error) {
printk("coda_get_rootfid: error %d\n", error);
} else {
if (!error)
*fidp = outp->coda_root.VFid;
}
CODA_FREE(inp, insize);
return error;
......@@ -106,9 +102,9 @@ int venus_getattr(struct super_block *sb, struct CodaFid *fid,
UPARG(CODA_GETATTR);
inp->coda_getattr.VFid = *fid;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
*attr = outp->coda_getattr.attr;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (!error)
*attr = outp->coda_getattr.attr;
CODA_FREE(inp, insize);
return error;
......@@ -153,10 +149,11 @@ int venus_lookup(struct super_block *sb, struct CodaFid *fid,
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
*resfid = outp->coda_lookup.VFid;
*type = outp->coda_lookup.vtype;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (!error) {
*resfid = outp->coda_lookup.VFid;
*type = outp->coda_lookup.vtype;
}
CODA_FREE(inp, insize);
return error;
......@@ -278,11 +275,12 @@ int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
/* Venus must get null terminated string */
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
*attrs = outp->coda_mkdir.attr;
*newfid = outp->coda_mkdir.VFid;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (!error) {
*attrs = outp->coda_mkdir.attr;
*newfid = outp->coda_mkdir.VFid;
}
CODA_FREE(inp, insize);
return error;
......@@ -348,11 +346,12 @@ int venus_create(struct super_block *sb, struct CodaFid *dirfid,
/* Venus must get null terminated string */
memcpy((char *)(inp) + offset, name, length);
*((char *)inp + offset + length) = '\0';
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
*attrs = outp->coda_create.attr;
*newfid = outp->coda_create.VFid;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (!error) {
*attrs = outp->coda_create.attr;
*newfid = outp->coda_create.VFid;
}
CODA_FREE(inp, insize);
return error;
......@@ -417,19 +416,18 @@ int venus_readlink(struct super_block *sb, struct CodaFid *fid,
UPARG(CODA_READLINK);
inp->coda_readlink.VFid = *fid;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (! error) {
retlen = outp->coda_readlink.count;
error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
if (!error) {
retlen = outp->coda_readlink.count;
if ( retlen > *length )
retlen = *length;
retlen = *length;
*length = retlen;
result = (char *)outp + (long)outp->coda_readlink.data;
memcpy(buffer, result, retlen);
*(buffer + retlen) = '\0';
}
CODA_FREE(inp, insize);
return error;
}
......@@ -617,16 +615,13 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs)
insize = max_t(unsigned int, INSIZE(statfs), OUTSIZE(statfs));
UPARG(CODA_STATFS);
error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
if (!error) {
error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
if (!error) {
sfs->f_blocks = outp->coda_statfs.stat.f_blocks;
sfs->f_bfree = outp->coda_statfs.stat.f_bfree;
sfs->f_bavail = outp->coda_statfs.stat.f_bavail;
sfs->f_files = outp->coda_statfs.stat.f_files;
sfs->f_ffree = outp->coda_statfs.stat.f_ffree;
} else {
printk("coda_statfs: Venus returns: %d\n", error);
}
CODA_FREE(inp, insize);
......
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