From: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
[ Upstream commit 46f3e0421ccb5474b5c006b0089b9dfd42534bb6 ]
Since commit 554c577cee95b, gfs2_file_buffered_write() can accidentally
return a truncated iov_iter, which might confuse callers. Fix that.
Fixes: 554c577cee95b ("gfs2: Prevent endless loops in gfs2_file_buffered_write")
Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/gfs2/file.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 60390f9dc31f..e93185d804e0 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -1086,6 +1086,7 @@ static ssize_t gfs2_file_buffered_write(struct kiocb *iocb,
gfs2_holder_uninit(gh);
if (statfs_gh)
kfree(statfs_gh);
+ from->count = orig_count - read;
return read ? read : ret;
}
--
2.35.1
