drivers: net: davinci_cpdma: double free on error

We recently change the kzalloc() to devm_kzalloc() so freeing "ctlr"
here could lead to a double free.

Fixes: e194312854ed ('drivers: net: davinci_cpdma: Convert kzalloc() to devm_kzalloc().')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
index 539dbdecd310..4a000f6dd6fc 100644
--- a/drivers/net/ethernet/ti/davinci_cpdma.c
+++ b/drivers/net/ethernet/ti/davinci_cpdma.c
@@ -285,10 +285,8 @@ struct cpdma_ctlr *cpdma_ctlr_create(struct cpdma_params *params)
                                             ctlr->params.desc_hw_addr,
                                             ctlr->params.desc_mem_size,
                                             ctlr->params.desc_align);
-        if (!ctlr->pool) {
-                kfree(ctlr);
+        if (!ctlr->pool)
                 return NULL;
-        }
 
         if (WARN_ON(ctlr->num_chan > CPDMA_MAX_CHANNELS))
                 ctlr->num_chan = CPDMA_MAX_CHANNELS;