From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit d776763f48084926b5d9e25507a3ddb7c9243d5e ]
The return type is supposed to be ssize_t, which is signed long, but "r" was declared as unsigned int. This means that on 64 bit systems we return positive values instead of negative error codes.
Fixes: 80a3511d70e8 ("cfg80211: add debugfs HT40 allow map") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Link: https://lore.kernel.org/r/YutvOQeJm0UjLhwU@kili Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/wireless/debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index aab43469a2f04..0878b162890af 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -65,9 +65,10 @@ static ssize_t ht40allow_map_read(struct file *file, { struct wiphy *wiphy = file->private_data; char *buf; - unsigned int offset = 0, buf_size = PAGE_SIZE, i, r; + unsigned int offset = 0, buf_size = PAGE_SIZE, i; enum nl80211_band band; struct ieee80211_supported_band *sband; + ssize_t r;
buf = kzalloc(buf_size, GFP_KERNEL); if (!buf)