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wifi: cfg80211: debugfs: fix return type in ht40allow_map_read() 

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: 80a3511d70 ("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>
This commit is contained in:
Dan Carpenter 2022-08-04 10:03:21 +03:00 committed by Johannes Berg
parent 15bc8966b6
commit d776763f48
1 changed files with 2 additions and 1 deletions
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3
net/wireless/debugfs.c
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@ -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)