[PATCH] fix fm801_gp_probe() ignoring return value from pci_enable_device()

From: Jiri Kosina
Date: Thu Oct 12 2006 - 19:28:00 EST


[PATCH] fix fm801_gp_probe() ignoring return value from pci_enable_device()

Fix fm801_gp_probe() not handling pci_enable_device() return value
correctly.

Signed-off-by: Jiri Kosina <jikos@xxxxxxxx>

---

drivers/input/gameport/fm801-gp.c | 23 ++++++++++++++++-------
1 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/drivers/input/gameport/fm801-gp.c b/drivers/input/gameport/fm801-gp.c
index 90de5af..5ac9e15 100644
--- a/drivers/input/gameport/fm801-gp.c
+++ b/drivers/input/gameport/fm801-gp.c
@@ -82,17 +82,22 @@ static int __devinit fm801_gp_probe(stru
{
struct fm801_gp *gp;
struct gameport *port;
+ int err;

gp = kzalloc(sizeof(struct fm801_gp), GFP_KERNEL);
port = gameport_allocate_port();
if (!gp || !port) {
printk(KERN_ERR "fm801-gp: Memory allocation failed\n");
- kfree(gp);
- gameport_free_port(port);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto out_err;
}

- pci_enable_device(pci);
+ err = pci_enable_device(pci);
+ if (err) {
+ printk(KERN_ERR "fm801: Cannot enable PCI device\n");
+ goto out_err;
+
+ }

port->open = fm801_gp_open;
#ifdef HAVE_COOKED
@@ -108,9 +113,8 @@ #endif
if (!gp->res_port) {
printk(KERN_DEBUG "fm801-gp: unable to grab region 0x%x-0x%x\n",
port->io, port->io + 0x0f);
- gameport_free_port(port);
- kfree(gp);
- return -EBUSY;
+ err = -EBUSY;
+ goto out_err;
}

pci_set_drvdata(pci, gp);
@@ -119,6 +123,11 @@ #endif
gameport_register_port(port);

return 0;
+out_err:
+ gameport_free_port(port);
+ kfree(gp);
+
+ return err;
}

static void __devexit fm801_gp_remove(struct pci_dev *pci)

--
Jiri Kosina
-
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