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[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>
This commit is contained in:
Florin Malita 2006-06-25 05:48:31 -07:00 committed by Linus Torvalds
parent eab03ac7bd
commit 0710d36a0f
1 changed files with 6 additions and 0 deletions
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6
fs/9p/vfs_inode.c
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@ -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);