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backlight: Jump to cleanup code if synthesizing backlight string fails

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This applies the same pattern as used in other error cases in this block - and
cleans up the file desciptors and allocated memory too.

Signed-off-by: Rob Bradford <rob@linux.intel.com>
This commit is contained in:
Rob Bradford 2012-10-09 18:44:36 +01:00 • committed by Kristian Høgsberg
parent 6b6795f070
commit a6b63d0f67
1 changed files with 4 additions and 2 deletions
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6
src/libbacklight.c
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@ -111,8 +111,10 @@ long backlight_set_brightness(struct backlight *backlight, long brightness)
goto out;
}
if (asprintf(&buffer, "%ld", brightness) < 0)
return -ENOMEM;
if (asprintf(&buffer, "%ld", brightness) < 0) {
ret = -1;
goto out;
}
ret = write(fd, buffer, strlen(buffer));
if (ret < 0) {