[PATCH] Sony-laptop: Use common error handling code in sony_nc_setup_rfkill()

From: SF Markus Elfring
Date: Mon Oct 30 2017 - 16:16:02 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 30 Oct 2017 21:10:49 +0100

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/platform/x86/sony-laptop.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index a16cea2be9c3..3ab6e41a8ed6 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1660,18 +1660,16 @@ static int sony_nc_setup_rfkill(struct acpi_device *device,
if (!rfk)
return -ENOMEM;

- if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
- rfkill_destroy(rfk);
- return -1;
- }
+ if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0)
+ goto destroy_rfk;
+
hwblock = !(result & 0x1);

if (sony_call_snc_handle(sony_rfkill_handle,
- sony_rfkill_address[nc_type],
- &result) < 0) {
- rfkill_destroy(rfk);
- return -1;
- }
+ sony_rfkill_address[nc_type],
+ &result) < 0)
+ goto destroy_rfk;
+
swblock = !(result & 0x2);

rfkill_init_sw_state(rfk, swblock);
@@ -1684,6 +1682,10 @@ static int sony_nc_setup_rfkill(struct acpi_device *device,
}
sony_rfkill_devices[nc_type] = rfk;
return err;
+
+destroy_rfk:
+ rfkill_destroy(rfk);
+ return -1;
}

static void sony_nc_rfkill_update(void)
--
2.14.3