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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-09-03 12:05:31 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-09-03 12:10:36 -0400
commitc49edecd513693ea7530ab18efbd7d6d5b7cbf90 (patch)
treed1474d884131047d3c6ea8244d0f6c7d78f136d5 /fs
parenta41bd25ae67d3e4052c7f00ee9f2b4ba9219309e (diff)
NFS: Fix error reporting in nfs_file_write()
When doing O_DSYNC writes, the actual write errors are reported through generic_write_sync(), so we must test the result. Reported-by: J. R. Okajima <hooanon05g@gmail.com> Fixes: 18290650b1c8 ("NFS: Move buffered I/O locking into nfs_file_write()") Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/file.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 7d620970f2e1..ca699ddc11c1 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -657,7 +657,10 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
if (result <= 0)
goto out;
- written = generic_write_sync(iocb, result);
+ result = generic_write_sync(iocb, result);
+ if (result < 0)
+ goto out;
+ written = result;
iocb->ki_pos += written;
/* Return error values */