[PATCH] SLICOSS - free resources on entry_probe error path

From: Lior Dotan
Date: Wed Feb 11 2009 - 05:18:28 EST


Call pci_disable_device() and free_netdev() if slic_entry_probe fails.

Signed_off-by: Lior Dotan <liodot@xxxxxxxxx> diff -X /usr/src/linux/Documentation/dontdiff -purN a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
--- a/drivers/staging/slicoss/slicoss.c 2009-02-11 11:15:32.000000000 +0200
+++ b/drivers/staging/slicoss/slicoss.c 2009-02-11 12:03:42.000000000 +0200
@@ -335,7 +335,7 @@ static int __devinit slic_entry_probe(st
{
static int cards_found;
static int did_version;
- int err;
+ int err = -ENODEV;
struct net_device *netdev;
struct adapter *adapter;
void __iomem *memmapped_ioaddr = NULL;
@@ -369,7 +369,7 @@ static int __devinit slic_entry_probe(st
DBG_MSG
("No usable DMA configuration, aborting err[%x]\n",
err);
- return err;
+ goto err_out_disable_pci;
}
DBG_MSG("pci_set_dma_mask(DMA_32BIT_MASK) successful\n");
}
@@ -379,7 +379,7 @@ static int __devinit slic_entry_probe(st
err = pci_request_regions(pcidev, DRV_NAME);
if (err) {
DBG_MSG("pci_request_regions FAILED err[%x]\n", err);
- return err;
+ goto err_out_disable_pci;
}

DBG_MSG("call pci_set_master\n");
@@ -413,7 +413,7 @@ static int __devinit slic_entry_probe(st
if (!memmapped_ioaddr) {
DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
__func__, mmio_len, mmio_start);
- goto err_out_free_mmio_region;
+ goto err_out_free_netdev;
}

DBG_MSG
@@ -497,16 +497,17 @@ static int __devinit slic_entry_probe(st

err_out_unmap:
iounmap(memmapped_ioaddr);
-
err_out_free_mmio_region:
release_mem_region(mmio_start, mmio_len);
-
+err_out_free_netdev:
+ free_netdev(netdev);
err_out_exit_slic_probe:
pci_release_regions(pcidev);
DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies,
smp_processor_id());
-
- return -ENODEV;
+err_out_disable_pci:
+ pci_disable_device(pcidev);
+ return err;
}

static int slic_entry_open(struct net_device *dev)