From: Jeff Cody <jcody@redhat.com>
Date: Wed, 6 Apr 2016 03:11:34 +0000 (-0400)
Subject: block/gluster: return correct error value
X-Git-Tag: TizenStudio_2.0_p2.4~27^2~6^2~8^2~26^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a882745356b17925b83c93d0b821adba8050236f;p=sdk%2Femulator%2Fqemu.git

block/gluster: return correct error value

Upon error, gluster will call the aio callback function with a
ret value of -1, with errno set to the proper error value.  If
we set the acb->ret value to the return value in the callback,
that results in every error being EPERM (i.e. 1).  Instead, set
it to the proper error result.

Reviewed-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
---

diff --git a/block/gluster.c b/block/gluster.c
index 51e154c..b0e2cc2 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -247,7 +247,7 @@ static void gluster_finish_aiocb(struct glfs_fd *fd, ssize_t ret, void *arg)
     if (!ret || ret == acb->size) {
         acb->ret = 0; /* Success */
     } else if (ret < 0) {
-        acb->ret = ret; /* Read/Write failed */
+        acb->ret = -errno; /* Read/Write failed */
     } else {
         acb->ret = -EIO; /* Partial read/write - fail it */
     }