From afffd3dabe5209882c8cc59a373a4d33b5db304a Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Sun, 30 Aug 2009 12:36:48 +0200 Subject: [SCSI] libsrp: fix memory leak in srp_ring_free() This patch fixes a memory leak in the libsrp function srp_ring_free(). It is not documented whether or not this function should free the ring pointer itself. But the source code of the callers of this function (srp_target_alloc() and srp_target_free()) makes it clear that srp_ring_free() should deallocate the ring pointer itself. Furthermore, the patch below makes srp_ring_free() deallocate all memory allocated by srp_ring_alloc(). This patch affects the ibmvstgt driver, which is the only in-tree driver that calls the srp_ring_free() function (indirectly). Signed-off-by: Bart Van Assche Acked-by: FUJITA Tomonori Cc: Stable Tree Signed-off-by: James Bottomley --- drivers/scsi/libsrp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c index 2742ae8..9ad38e8 100644 --- a/drivers/scsi/libsrp.c +++ b/drivers/scsi/libsrp.c @@ -124,6 +124,7 @@ static void srp_ring_free(struct device *dev, struct srp_buf **ring, size_t max, dma_free_coherent(dev, size, ring[i]->buf, ring[i]->dma); kfree(ring[i]); } + kfree(ring); } int srp_target_alloc(struct srp_target *target, struct device *dev, -- cgit v1.1