commit 7e35f20d44321b20777020ad067d39116d142013
author Eric Engestrom <eric.engestrom@intel.com> Thu May 16 14:57:07 2019 +0100
committer Eric Engestrom <eric@engestrom.ch> Sun Jun 09 13:14:13 2019 +0000
tree 78f8e90d20d5b18374ba4fe3e2163d52d16a1a2f
parent f8f222ea364f5b6c3867ab643ff60e212302eb31

util/os_file: actually return the error read() gave us

Fixes: 316964709e21286c2af5 "util: add os_read_file() helper"
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

src/util/os_file.c

diff --git a/src/util/os_file.c b/src/util/os_file.c
index 246fd32..da17d12 100644
--- a/src/util/os_file.c
+++ b/src/util/os_file.c
@@ -29,8 +29,10 @@
       if (ret == -EINTR || ret == -EAGAIN)
          continue;
 
-      if (ret <= 0)
+      if (ret <= 0) {
+         err = ret;
          break;
+      }
 
       total += ret;
    } while (total != len);