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locks: fix NULL-deref in generic_delete_lease
[linux-2.6-block.git]
/
fs
/
locks.c
diff --git
a/fs/locks.c
b/fs/locks.c
index 735b8d3fa78c92bf746aff05475be1fa2a82abd6..59e2f905e4ffea324dbf44faf1b666974adc6c23 100644
(file)
--- a/
fs/locks.c
+++ b/
fs/locks.c
@@
-1702,7
+1702,7
@@
static int generic_delete_lease(struct file *filp)
break;
}
trace_generic_delete_lease(inode, fl);
- if (fl)
+ if (fl
&& IS_LEASE(fl)
)
error = fl->fl_lmops->lm_change(before, F_UNLCK, &dispose);
spin_unlock(&inode->i_lock);
locks_dispose_list(&dispose);