From bff5baf8aa37a97293725a16c03f49872249c07e Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Tue, 9 May 2017 18:14:01 +0100 Subject: [PATCH] btrfs: fix incorrect error return ret being passed to mapping_set_error The setting of return code ret should be based on the error code passed into function end_extent_writepage and not on ret. Thanks to Liu Bo for spotting this mistake in the original fix I submitted. Detected by CoverityScan, CID#1414312 ("Logically dead code") Fixes: 5dca6eea91653e ("Btrfs: mark mapping with error flag to report errors to userspace") Signed-off-by: Colin Ian King Reviewed-by: Liu Bo Signed-off-by: David Sterba --- fs/btrfs/extent_io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 4317ed3ad830..d3619e010005 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2458,7 +2458,7 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end) if (!uptodate) { ClearPageUptodate(page); SetPageError(page); - ret = ret < 0 ? ret : -EIO; + ret = err < 0 ? err : -EIO; mapping_set_error(page->mapping, ret); } }