diff options
| author | KAMBAROV, ZAUR <kambarov@berkeley.edu> | 2005-07-07 17:57:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-07 18:23:47 -0700 |
| commit | 7eaae2828dadae3abde7f77734c874d4b74b313a (patch) | |
| tree | 7cee35b529ebb2e88c808b52909821a05d324035 /fs/locks.c | |
| parent | 8f96c95680bfe66ff00c91859d4c73edf539b854 (diff) | |
| download | lwn-7eaae2828dadae3abde7f77734c874d4b74b313a.tar.gz lwn-7eaae2828dadae3abde7f77734c874d4b74b313a.zip | |
[PATCH] coverity: fs/locks.c flp null check
We're dereferencing `flp' and then we're testing it for NULLness.
Either the compiler accidentally saved us or the existing null-pointer checdk
is redundant.
This defect was found automatically by Coverity Prevent, a static analysis tool.
Signed-off-by: Zaur Kambarov <zkambarov@coverity.com>
Cc: Matthew Wilcox <willy@debian.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/locks.c')
| -rw-r--r-- | fs/locks.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/locks.c b/fs/locks.c index a0bc03495bd4..29fa5da6c117 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1276,7 +1276,7 @@ int fcntl_getlease(struct file *filp) */ static int __setlease(struct file *filp, long arg, struct file_lock **flp) { - struct file_lock *fl, **before, **my_before = NULL, *lease = *flp; + struct file_lock *fl, **before, **my_before = NULL, *lease; struct dentry *dentry = filp->f_dentry; struct inode *inode = dentry->d_inode; int error, rdlease_count = 0, wrlease_count = 0; @@ -1287,6 +1287,8 @@ static int __setlease(struct file *filp, long arg, struct file_lock **flp) if (!flp || !(*flp) || !(*flp)->fl_lmops || !(*flp)->fl_lmops->fl_break) goto out; + lease = *flp; + error = -EAGAIN; if ((arg == F_RDLCK) && (atomic_read(&inode->i_writecount) > 0)) goto out; |