From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: Ben Greear <greearb@candelatech.com>
Subject: [PATCH] mac80211: fix ht_capa printout in debugfs.
Date: Wed, 6 Apr 2022 10:56:59 -0700 [thread overview]
Message-ID: <20220406175659.20611-1-greearb@candelatech.com> (raw)
From: Ben Greear <greearb@candelatech.com>
Don't use sizeof(pointer) when calculating scnprintf offset.
Fixes: mac80211: debugfs: calculate free buffer size correctly (eb3d6175e4a9)
Signed-off-by: Ben Greear <greearb@candelatech.com>
---
net/mac80211/debugfs_sta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 19195d63ae5c..db852f8c5feb 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -584,7 +584,7 @@ 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;
--
2.20.1
reply other threads:[~2022-04-06 19:27 UTC|newest]
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