| Message ID | tencent_226E4B142CC7835E6109554EE2E0C6A01605@qq.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [01/10] wifi: rtw88: fix incorrect error codes in rtw_debugfs_set_write_reg | expand |
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c index aef43f3ca364..f9bcb44b42ac 100644 --- a/drivers/net/wireless/realtek/rtw88/debug.c +++ b/drivers/net/wireless/realtek/rtw88/debug.c @@ -883,7 +883,9 @@ static ssize_t rtw_debugfs_set_coex_enable(struct file *filp, bool enable; int ret; - rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1); + ret = rtw_debugfs_copy_from_user(tmp, sizeof(tmp), buffer, count, 1); + if (ret < 0) + return ret; ret = kstrtobool(tmp, &enable); if (ret) {
If there is a failure during copy_from_user, rtw_debugfs_set_coex_enable should return negative error code instead of a positive value count. Fix this bug by returning correct error code. Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com> --- drivers/net/wireless/realtek/rtw88/debug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)