diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-25 08:59:04 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-25 08:59:04 -0700 |
| commit | e2aad1d5716c5f7fa5deb4a96e6b6a4e9f24e78b (patch) | |
| tree | 389fbdf161a3c28c9b2f98fdc1ccd89d474ef884 /fs/cachefiles/xattr.c | |
| parent | 3ffdea3feca9e2c95c2e93e217d77c9c368f747a (diff) | |
| parent | 4a10c2ac2f368583138b774ca41fac4207911983 (diff) | |
Merge 3.12-rc2 into staging-next.
This resolves the merge problem with two iio drivers that Stephen
Rothwell pointed out.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/cachefiles/xattr.c')
| -rw-r--r-- | fs/cachefiles/xattr.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/fs/cachefiles/xattr.c b/fs/cachefiles/xattr.c index 34c88b83e39f..12b0eef84183 100644 --- a/fs/cachefiles/xattr.c +++ b/fs/cachefiles/xattr.c @@ -162,8 +162,9 @@ int cachefiles_update_object_xattr(struct cachefiles_object *object, int cachefiles_check_auxdata(struct cachefiles_object *object) { struct cachefiles_xattr *auxbuf; + enum fscache_checkaux validity; struct dentry *dentry = object->dentry; - unsigned int dlen; + ssize_t xlen; int ret; ASSERT(dentry); @@ -174,22 +175,22 @@ int cachefiles_check_auxdata(struct cachefiles_object *object) if (!auxbuf) return -ENOMEM; - auxbuf->len = vfs_getxattr(dentry, cachefiles_xattr_cache, - &auxbuf->type, 512 + 1); - if (auxbuf->len < 1) - return -ESTALE; - - if (auxbuf->type != object->fscache.cookie->def->type) - return -ESTALE; + xlen = vfs_getxattr(dentry, cachefiles_xattr_cache, + &auxbuf->type, 512 + 1); + ret = -ESTALE; + if (xlen < 1 || + auxbuf->type != object->fscache.cookie->def->type) + goto error; - dlen = auxbuf->len - 1; - ret = fscache_check_aux(&object->fscache, &auxbuf->data, dlen); + xlen--; + validity = fscache_check_aux(&object->fscache, &auxbuf->data, xlen); + if (validity != FSCACHE_CHECKAUX_OKAY) + goto error; + ret = 0; +error: kfree(auxbuf); - if (ret != FSCACHE_CHECKAUX_OKAY) - return -ESTALE; - - return 0; + return ret; } /* |