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intel: Handle malloc fails in context create 

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>
main
Ben Widawsky 2013-12-26 16:37:00 -08:00
parent 743372ea26
commit 3d34fe2495
1 changed files with 5 additions and 1 deletions
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6
intel/intel_bufmgr_gem.c
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@ -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;