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platform/x86: sony-laptop: Fix error handling in sony_nc_setup_rfkill()

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Source code review for a specific software refactoring showed the need
for another correction because the error code "-1" was returned so far
if a call of the function "sony_call_snc_handle" failed here.
Thus assign the return value from these two function calls also to
the variable "err" and provide it in case of a failure.

Fixes: d6f15ed876b83a1a0eba1d0473eef58acc95444a ("sony-laptop: use soft rfkill status stored in hw")
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.org/lkml/2017/10/31/463
Link: https://lkml.kernel.org/r/<CAHp75VcMkXCioCzmLE0+BTmkqc5RSOx9yPO0ectVHMrMvewgwg@mail.gmail.com>
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Markus Elfring 2017-11-01 18:42:45 +01:00 committed by Andy Shevchenko
parent 9d64fc08f6
commit f6c8a317ab
1 changed files with 8 additions and 6 deletions
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14
drivers/platform/x86/sony-laptop.c
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@ -1660,17 +1660,19 @@ 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) {
err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
if (err < 0) {
rfkill_destroy(rfk);
return -1;
return err;
}
hwblock = !(result & 0x1);
if (sony_call_snc_handle(sony_rfkill_handle,
sony_rfkill_address[nc_type],
&result) < 0) {
err = sony_call_snc_handle(sony_rfkill_handle,
sony_rfkill_address[nc_type],
&result);
if (err < 0) {
rfkill_destroy(rfk);
return -1;
return err;
}
swblock = !(result & 0x2);