linux-kernel - [PATCH] iw_cxgb4: do not free chunk that we have failed to allocate

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Date:	Fri, 12 Oct 2012 18:10:11 -0300
From:	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>,
	Steve Wise <swise@...lsio.com>,
	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	linux-rdma@...r.kernel.org
Subject: [PATCH] iw_cxgb4: do not free chunk that we have failed to allocate

In the error path of registering memory, in case there is a failure when
trying to allocate a chunk from the memory pool, it will try to free the
same chunk, which will BUG.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
---
 drivers/infiniband/hw/cxgb4/mem.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 57e07c6..afd8179 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -468,7 +468,7 @@ struct ib_mr *c4iw_register_phys_mem(struct ib_pd *pd,
 	ret = alloc_pbl(mhp, npages);
 	if (ret) {
 		kfree(page_list);
-		goto err_pbl;
+		goto err;
 	}
 
 	ret = write_pbl(&mhp->rhp->rdev, page_list, mhp->attr.pbl_addr,
-- 
1.7.1

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