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authorBart Van Assche <bart.vanassche@gmail.com>2009-08-30 12:36:48 +0200
committerJames Bottomley <James.Bottomley@suse.de>2009-09-12 09:35:34 -0500
commitafffd3dabe5209882c8cc59a373a4d33b5db304a (patch)
treec7ba34b77658151f0c56db47e9e1f4a617a3171c /drivers/scsi
parent661134ad3765348ecd6150a92e736bf28ba40f80 (diff)
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[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 <bart.vanassche@gmail.com> Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Stable Tree <stable@kernel.org> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/libsrp.c1
1 files changed, 1 insertions, 0 deletions
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,