diff options
| author | Florin Malita <fmalita@gmail.com> | 2006-06-25 05:48:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-25 10:01:15 -0700 |
| commit | 0710d36a0fd5db3176369397f0fc49db32a63507 (patch) | |
| tree | f1d0de2afccdd6c7f967fc12c752f5323e4e3a8f | |
| parent | eab03ac7bd3e0da99eb9dc068772a85a5e3f3577 (diff) | |
[PATCH] 9pfs: missing result check in v9fs_vfs_readlink() and v9fs_vfs_link()
__getname() may fail and return NULL (as pointed out by Coverity 437 &
1220).
Signed-off-by: Florin Malita <fmalita@gmail.com>
Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
Cc: <rminnich@lanl.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/9p/vfs_inode.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 2cb87ba4b1c..8e60dc7ec4a 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -1054,6 +1054,9 @@ static int v9fs_vfs_readlink(struct dentry *dentry, char __user * buffer, int ret; char *link = __getname(); + if (unlikely(!link)) + return -ENOMEM; + if (buflen > PATH_MAX) buflen = PATH_MAX; @@ -1227,6 +1230,9 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir, } name = __getname(); + if (unlikely(!name)) + return -ENOMEM; + sprintf(name, "%d\n", oldfid->fid); retval = v9fs_vfs_mkspecial(dir, dentry, V9FS_DMLINK, name); __putname(name); |