From: Keith Packard <keithp@keithp.com>
Date: Fri, 17 Oct 2008 04:15:01 +0000 (-0700)
Subject: intel: ioctl is not defined to return -errno
X-Git-Tag: submit/1.0/20121108.012404~667
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a59ea02ff839fa0801763a90beb8b232b933c746;p=profile%2Fivi%2Flibdrm.git

intel: ioctl is not defined to return -errno

Don't count on ioctl returning -errno; use errno directly.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
---

diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index 33853c4..081eb2a 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -790,7 +790,7 @@ dri_gem_bo_exec(dri_bo *bo, int used,
 
     do {
 	ret = ioctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_EXECBUFFER, &execbuf);
-    } while (ret == -EAGAIN);
+    } while (ret != 0 && errno == EAGAIN);
 
     intel_update_buffer_offsets (bufmgr_gem);