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authorJeff Garzik <jeff@garzik.org>2006-10-20 14:44:23 -0700
committerDominik Brodowski <linux@dominikbrodowski.net>2006-10-25 21:59:46 -0400
commit4deb7c1ed2b622b565c5330b475adc5a6cea30da (patch)
tree0ba9b06a057224e602207e9e1079d7ad8cf4c646
parent26aaa3c202fb3bec8d6c6619122442d476f55658 (diff)
[PATCH] PCMCIA: handle sysfs, PCI errors
Handle sysfs and PCI errors correctly. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c11
-rw-r--r--drivers/pcmcia/yenta_socket.c16
2 files changed, 21 insertions, 6 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 9ad18e62658d..310ede575caa 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -128,9 +128,12 @@ static int proc_read_drivers(char *buf, char **start, off_t pos,
int count, int *eof, void *data)
{
char *p = buf;
+ int rc;
- bus_for_each_drv(&pcmcia_bus_type, NULL,
- (void *) &p, proc_read_drivers_callback);
+ rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
+ (void *) &p, proc_read_drivers_callback);
+ if (rc < 0)
+ return rc;
return (p - buf);
}
@@ -269,8 +272,10 @@ rescan:
* Prevent this racing with a card insertion.
*/
mutex_lock(&s->skt_mutex);
- bus_rescan_devices(&pcmcia_bus_type);
+ ret = bus_rescan_devices(&pcmcia_bus_type);
mutex_unlock(&s->skt_mutex);
+ if (ret)
+ goto err_put_module;
/* check whether the driver indeed matched. I don't care if this
* is racy or not, because it can only happen on cardmgr access
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 9ced52ab7d14..da471bddc972 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1197,8 +1197,12 @@ static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_i
ret = pcmcia_register_socket(&socket->socket);
if (ret == 0) {
/* Add the yenta register attributes */
- device_create_file(&dev->dev, &dev_attr_yenta_registers);
- goto out;
+ ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
+ if (ret == 0)
+ goto out;
+
+ /* error path... */
+ pcmcia_unregister_socket(&socket->socket);
}
unmap:
@@ -1248,12 +1252,18 @@ static int yenta_dev_resume (struct pci_dev *dev)
struct yenta_socket *socket = pci_get_drvdata(dev);
if (socket) {
+ int rc;
+
pci_set_power_state(dev, 0);
/* FIXME: pci_restore_state needs to have a better interface */
pci_restore_state(dev);
pci_write_config_dword(dev, 16*4, socket->saved_state[0]);
pci_write_config_dword(dev, 17*4, socket->saved_state[1]);
- pci_enable_device(dev);
+
+ rc = pci_enable_device(dev);
+ if (rc)
+ return rc;
+
pci_set_master(dev);
if (socket->type && socket->type->restore_state)