[PATCH 2/5] intel: Handle malloc fails in context create

[Ben Widawsky <benjamin.widawsky@intel.com>]

The previous code would just use the potentially unallocated variable,
which is probably okay most of the time, but not very nice to the user
of the library.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
---
 intel/intel_bufmgr_gem.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 3b1f584..ad722dd 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -3020,15 +3020,19 @@ drm_intel_gem_context_create(drm_intel_bufmgr *bufmgr)
 	drm_intel_context *context = NULL;
 	int ret;
 
+	context = calloc(1, sizeof(*context));
+	if (!context)
+		return NULL;
+
 	VG_CLEAR(create);
 	ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_GEM_CONTEXT_CREATE, &create);
 	if (ret != 0) {
 		DBG("DRM_IOCTL_I915_GEM_CONTEXT_CREATE failed: %s\n",
 		    strerror(errno));
+		free(context);
 		return NULL;
 	}
 
-	context = calloc(1, sizeof(*context));
 	context->ctx_id = create.ctx_id;
 	context->bufmgr = bufmgr;
 
-- 
1.8.5.2