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wlcore: fix sparse warning

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Use kstrtoul_from_user() for reading the user value,
and fix the following sparse warning:

drivers/net/wireless/ti/wlcore/debugfs.c:937:15: error: incompatible
types in comparison expression (different type sizes)

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Eliad Peller 2014-12-29 08:24:02 +02:00 committed by Kalle Valo
parent d6b984816b
commit 16129d1d59
1 changed files with 1 additions and 8 deletions
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9
drivers/net/wireless/ti/wlcore/debugfs.c
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@ -929,17 +929,10 @@ static ssize_t beacon_filtering_write(struct file *file,
{
struct wl1271 *wl = file->private_data;
struct wl12xx_vif *wlvif;
char buf[10];
size_t len;
unsigned long value;
int ret;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
ret = kstrtoul(buf, 0, &value);
ret = kstrtoul_from_user(user_buf, count, 0, &value);
if (ret < 0) {
wl1271_warning("illegal value for beacon_filtering!");
return -EINVAL;