splice: fix error return code
fs/splice.c: In function 'default_file_splice_read':
fs/splice.c:566: warning: 'error' may be used uninitialized in this function
which is sort-of true. The code will in fact return -ENOMEM instead of the
kernel_readv() return value.
Cc: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fs/splice.c b/fs/splice.c
index c5e3c79..41179c0 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -595,8 +595,10 @@
}
res = kernel_readv(in, vec, spd.nr_pages, *ppos);
- if (res < 0)
+ if (res < 0) {
+ error = res;
goto err;
+ }
error = 0;
if (!res)