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>
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@ -65,9 +65,10 @@ static ssize_t ht40allow_map_read(struct file *file,
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{
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{
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struct wiphy *wiphy = file->private_data;
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struct wiphy *wiphy = file->private_data;
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char *buf;
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char *buf;
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unsigned int offset = 0, buf_size = PAGE_SIZE, i, r;
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unsigned int offset = 0, buf_size = PAGE_SIZE, i;
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enum nl80211_band band;
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enum nl80211_band band;
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struct ieee80211_supported_band *sband;
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struct ieee80211_supported_band *sband;
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ssize_t r;
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buf = kzalloc(buf_size, GFP_KERNEL);
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buf = kzalloc(buf_size, GFP_KERNEL);
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if (!buf)
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if (!buf)
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