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mac80211: fix ht_capa printout in debugfs

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Don't use sizeof(pointer) when calculating scnprintf offset.

Fixes: 01f84f0ed3 ("mac80211: reduce stack usage in debugfs")
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://lore.kernel.org/r/20220406175659.20611-1-greearb@candelatech.com
[correct the Fixes tag]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ben Greear 2022-04-06 10:56:59 -07:00 committed by Johannes Berg
parent a5199b5626
commit fb4bccd863
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/debugfs_sta.c
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@ -441,7 +441,7 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
#define PRINT_HT_CAP(_cond, _str) \
do { \
if (_cond) \
p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
p += scnprintf(p, bufsz + buf - p, "\t" _str "\n"); \
} while (0)
char *buf, *p;
int i;