Messages in this thread Patch in this message | | | From | Xu Jia <> | Subject | [PATCH -next] applicom: fix some err codes returned by ac_ioctl | Date | Wed, 24 Mar 2021 15:20:31 +0800 |
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When cmd > 6 or copy_to_user() fail, The variable 'ret' would not be returned back. Fix the 'ret' set but not used.
Signed-off-by: Xu Jia <xujia39@huawei.com> --- drivers/char/applicom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c index 14b2d8034c51..0ab765143354 100644 --- a/drivers/char/applicom.c +++ b/drivers/char/applicom.c @@ -839,7 +839,7 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) Dummy = readb(apbs[IndexCard].RamIO + VERS); kfree(adgl); mutex_unlock(&ac_mutex); - return 0; + return ret; err: if (warncount) { -- 2.25.1
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