Prev: [PATCH 1/2] lib/btree: Kill unused MAX macro
Next: [PATCH] i2c-i801: fix all coding style issues found by checkpatch.pl
From: Denis Kirjanov kirjanov on 12 May 2010 17:20
mempool_alloc can return null in atomic case.

Signed-off-by: Denis Kirjanov <kirjanov(a)gmail.com>
---
diff --git a/lib/btree.c b/lib/btree.c
index 41859a8..542c904 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -95,7 +94,8 @@ static unsigned long *btree_node_alloc(struct btree_head *head, gfp_t gfp)
unsigned long *node;

node = mempool_alloc(head->mempool, gfp);
- memset(node, 0, NODESIZE);
+ if (likely(node))
+ memset(node, 0, NODESIZE);
return node;
}

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
 | 
Pages: 1
Prev: [PATCH 1/2] lib/btree: Kill unused MAX macro
Next: [PATCH] i2c-i801: fix all coding style issues found by checkpatch.pl