[SPARC32]: Avoid an oops if thread_info allocation fails

6e3eae38 · Keith M. Wesolowski · 5e2e0e24 · 6e3eae38
Commit 6e3eae38 authored Mar 05, 2004 by Keith M. Wesolowski
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arch/sparc/mm/srmmu.c arch/sparc/mm/srmmu.c +2 -1

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--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -632,7 +632,8 @@ struct thread_info *srmmu_alloc_thread_info(void)
 	ret = (struct thread_info *)__get_free_pages(GFP_KERNEL,
 						     THREAD_INFO_ORDER);
 #ifdef CONFIG_DEBUG_STACK_USAGE
-	memset(ret, 0, PAGE_SIZE << THREAD_INFO_ORDER);
+	if (ret)
+		memset(ret, 0, PAGE_SIZE << THREAD_INFO_ORDER);
 #endif /* DEBUG_STACK_USAGE */
 	return ret;