From 876efcf05c3aa582de5efefa7dd6fbb731b4d085 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 6 Nov 2013 10:41:28 +0300 Subject: wcn36xx: harmless memory corruption bug in debugfs On 64 bit systems we write past the end of the arg[] array. Fixes: 8e84c2582169 ('wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware') Signed-off-by: Dan Carpenter Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wcn36xx/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/ath/wcn36xx/debug.c b/drivers/net/wireless/ath/wcn36xx/debug.c index 5b84f7a..ef44a2da 100644 --- a/drivers/net/wireless/ath/wcn36xx/debug.c +++ b/drivers/net/wireless/ath/wcn36xx/debug.c @@ -126,7 +126,7 @@ static ssize_t write_file_dump(struct file *file, if (begin == NULL) break; - if (kstrtoul(begin, 0, (unsigned long *)(arg + i)) != 0) + if (kstrtou32(begin, 0, &arg[i]) != 0) break; } -- cgit v1.1