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From: Sasha L. <sas...@or...> - 2014-06-22 23:44:58
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When trying to lock a file we didn't properly handle the case where a
failure in p9_client_lock_dotl() occurs and treated the status value
as valid instead of discarding it due to the error.
This would usually trigger a BUG() since the status value would
just be stack garbage.
Signed-off-by: Sasha Levin <sas...@or...>
---
fs/9p/vfs_file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 520c11c..06077f3 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -194,7 +194,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
for (;;) {
res = p9_client_lock_dotl(fid, &flock, &status);
if (res < 0)
- break;
+ return res;
if (status != P9_LOCK_BLOCKED)
break;
--
1.7.10.4
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