From: Roland Dreier <rolandd@cisco.com>
Date: Thu, 28 Sep 2006 17:44:07 +0000 (-0700)
Subject: RDMA/amso1100: Fix memory leak in c2_reg_phys_mr()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ee30cb5b0b65392843cc3beaba48160ee4a3764e;p=linux-beck.git

RDMA/amso1100: Fix memory leak in c2_reg_phys_mr()

If the allocation of mr fails, then c2_reg_phys_mr() leaks the
page_list array it allocated earlier.

This was Coverity CID #1413.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 622d6f1f920d..da98d9f71429 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -390,8 +390,10 @@ static struct ib_mr *c2_reg_phys_mr(struct ib_pd *ib_pd,
 	}
 
 	mr = kmalloc(sizeof(*mr), GFP_KERNEL);
-	if (!mr)
+	if (!mr) {
+		vfree(page_list);
 		return ERR_PTR(-ENOMEM);
+	}
 
 	mr->pd = to_c2pd(ib_pd);
 	pr_debug("%s - page shift %d, pbl_depth %d, total_len %u, "