| Message ID | 20200427061803.53857-1-christophe.jaillet@wanadoo.fr |
|---|---|
| State | New |
| Headers | show |
| Series | net/sonic: Fix a resource leak in an error handling path in 'jazz_sonic_probe()' | expand |
diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c index bfa0c0d39600..8b018ed37b1b 100644 --- a/drivers/net/ethernet/natsemi/jazzsonic.c +++ b/drivers/net/ethernet/natsemi/jazzsonic.c @@ -208,11 +208,13 @@ static int jazz_sonic_probe(struct platform_device *pdev) err = register_netdev(dev); if (err) - goto out1; + goto undo_probe1; return 0; -out1: +undo_probe1: + dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); release_mem_region(dev->base_addr, SONIC_MEM_SIZE); out: free_netdev(dev);
A call to 'dma_alloc_coherent()' is hidden in 'sonic_alloc_descriptors()', called from 'sonic_probe1()'. This is correctly freed in the remove function, but not in the error handling path of the probe function. Fix it and add the missing 'dma_free_coherent()' call. While at it, rename a label in order to be slightly more informative. Fixes: efcce839360f ("[PATCH] macsonic/jazzsonic network drivers update") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- drivers/net/ethernet/natsemi/jazzsonic.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)