Author: dumbbell
Date: Sun Feb 9 15:56:15 2014
New Revision: 261664
URL: http://svnweb.freebsd.org/changeset/base/261664
Log:
MFC r254838:
drm: In drm_gem_name_create(), verify argument before acquiring lock
Submitted by: J.R. Oldroyd <j...@opal.com>
Modified:
stable/9/sys/dev/drm2/drm_gem_names.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/drm2/drm_gem_names.c
==============================================================================
--- stable/9/sys/dev/drm2/drm_gem_names.c Sun Feb 9 15:54:31 2014
(r261663)
+++ stable/9/sys/dev/drm2/drm_gem_names.c Sun Feb 9 15:56:15 2014
(r261664)
@@ -132,12 +132,12 @@ drm_gem_name_create(struct drm_gem_names
{
struct drm_gem_name *np;
- np = malloc(sizeof(struct drm_gem_name), M_GEM_NAMES, M_WAITOK);
- mtx_lock(&names->lock);
if (*name != 0) {
- mtx_unlock(&names->lock);
return (EALREADY);
}
+
+ np = malloc(sizeof(struct drm_gem_name), M_GEM_NAMES, M_WAITOK);
+ mtx_lock(&names->lock);
np->name = alloc_unr(names->unr);
if (np->name == -1) {
mtx_unlock(&names->lock);
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