xiaomi-sm8450/android_kernel_xiaomi_sm8450
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ath9k: create a common debugfs_root for all device instances

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The driver are trying to create an 'ath9k' directory in debugfs for each
device currently. If there are more than one device in the system, the
second try will always fail.

Changes-licensed-under: ISC

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gabor Juhos
2009-03-05 16:55:18 +01:00
committed by John W. Linville
parent 0eeb59fe2c
commit 19d8bc22bc
3 changed files with 41 additions and 8 deletions
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13
drivers/net/wireless/ath9k/main.c
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@@ -2858,12 +2858,20 @@ static int __init ath9k_init(void)
goto err_out;
}
error = ath9k_debug_create_root();
if (error) {
printk(KERN_ERR
"ath9k: Unable to create debugfs root: %d\n",
error);
goto err_rate_unregister;
}
error = ath_pci_init();
if (error < 0) {
printk(KERN_ERR
"ath9k: No PCI devices found, driver not installed.\n");
error = -ENODEV;
goto err_rate_unregister;
goto err_remove_root;
}
error = ath_ahb_init();
@@ -2877,6 +2885,8 @@ static int __init ath9k_init(void)
err_pci_exit:
ath_pci_exit();
err_remove_root:
ath9k_debug_remove_root();
err_rate_unregister:
ath_rate_control_unregister();
err_out:
@@ -2888,6 +2898,7 @@ static void __exit ath9k_exit(void)
{
ath_ahb_exit();
ath_pci_exit();
ath9k_debug_remove_root();
ath_rate_control_unregister();
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
}