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authorPeter Senna Tschudin <peter.senna@gmail.com>2012-10-05 16:40:55 +0400
committerDavid S. Miller <davem@davemloft.net>2012-10-07 22:37:12 +0400
commitbbcf61fb30279c99e51b9d20b231e8513c5e6b1d (patch)
tree2df3dd2547231d4766de42357cd5cc130feccd68 /drivers/net
parent4df128341ed5728bc8d8f75709258967f8cc2f5f (diff)
downloadlinux-bbcf61fb30279c99e51b9d20b231e8513c5e6b1d.tar.xz
drivers/net/ethernet/marvell/skge.c: fix error return code
The function skge_probe() return 0 for success and negative value for most of its internal tests failures. There is one exception that is error case going to err_out_led_off:. For this error case, the function abort its success execution path, but returns non negative value, making it difficult for a caller function to notice the error. This patch fixes the error case that do not return negative value. This was found by Coccinelle, but the code change was made by hand. This patch is not robot generated. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/marvell/skge.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 5a30bf823099..91836b54da35 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3945,8 +3945,10 @@ static int __devinit skge_probe(struct pci_dev *pdev,
skge_board_name(hw), hw->chip_rev);
dev = skge_devinit(hw, 0, using_dac);
- if (!dev)
+ if (!dev) {
+ err = -ENOMEM;
goto err_out_led_off;
+ }
/* Some motherboards are broken and has zero in ROM. */
if (!is_valid_ether_addr(dev->dev_addr))