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authorJean Delvare <khali@linux-fr.org>2009-12-14 18:00:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:27 -0800
commit9385565e20c4acf97cd8e2fd7155750e578edcc4 (patch)
tree55ee76523bb308ef73a2f91942953db6b79fe1c9
parent2ea5d35a49f5c89d1d2d677fe90c71ad5a6278b6 (diff)
ioc3/ioc4: fix error path on driver registration
Two IOC3 and IOC4 drivers have broken error paths on registration. Fix them. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Pat Gefre <pfg@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/serial/ioc4_serial.c16
-rw-r--r--drivers/sn/ioc3.c2
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 902b067d7e9c..836d9ab4f729 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -2913,17 +2913,27 @@ static int __init ioc4_serial_init(void)
printk(KERN_WARNING
"%s: Couldn't register rs232 IOC4 serial driver\n",
__func__);
- return ret;
+ goto out;
}
if ((ret = uart_register_driver(&ioc4_uart_rs422)) < 0) {
printk(KERN_WARNING
"%s: Couldn't register rs422 IOC4 serial driver\n",
__func__);
- return ret;
+ goto out_uart_rs232;
}
/* register with IOC4 main module */
- return ioc4_register_submodule(&ioc4_serial_submodule);
+ ret = ioc4_register_submodule(&ioc4_serial_submodule);
+ if (ret)
+ goto out_uart_rs422;
+ return 0;
+
+out_uart_rs422:
+ uart_unregister_driver(&ioc4_uart_rs422);
+out_uart_rs232:
+ uart_unregister_driver(&ioc4_uart_rs232);
+out:
+ return ret;
}
static void __exit ioc4_serial_exit(void)
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index 354e9f17e35a..66802a4390cc 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -820,7 +820,7 @@ static int __init ioc3_init(void)
{
if (ia64_platform_is("sn2"))
return pci_register_driver(&ioc3_driver);
- return 0;
+ return -ENODEV;
}
/* Module unload */