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authorLi Zhijian <lizhijian@fujitsu.com>2024-03-15 13:52:10 +0800
committerKalle Valo <kvalo@kernel.org>2024-03-21 17:07:53 +0200
commit6db5c15c8b6a4154415041165365acbe7ef623b3 (patch)
tree40774e6b051b777d3e71420af59bab90bc73c907
parentc76936a7e1da6b755185ada84acb2c2b92fdd30c (diff)
wifi: b43: Convert sprintf/snprintf to sysfs_emit
Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). sprintf() will be converted as weel if they have. Generally, this patch is generated by make coccicheck M=<path/to/file> MODE=patch \ COCCI=scripts/coccinelle/api/device_attr_show.cocci No functional change intended CC: Larry Finger <Larry.Finger@lwfinger.net> CC: Kalle Valo <kvalo@kernel.org> CC: linux-wireless@vger.kernel.org CC: b43-dev@lists.infradead.org Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240315055211.1347548-2-lizhijian@fujitsu.com
-rw-r--r--drivers/net/wireless/broadcom/b43/sysfs.c13
-rw-r--r--drivers/net/wireless/broadcom/b43legacy/sysfs.c16
2 files changed, 10 insertions, 19 deletions
diff --git a/drivers/net/wireless/broadcom/b43/sysfs.c b/drivers/net/wireless/broadcom/b43/sysfs.c
index 0679d132968f..261b2b746a9c 100644
--- a/drivers/net/wireless/broadcom/b43/sysfs.c
+++ b/drivers/net/wireless/broadcom/b43/sysfs.c
@@ -53,19 +53,14 @@ static ssize_t b43_attr_interfmode_show(struct device *dev,
switch (wldev->phy.g->interfmode) {
case B43_INTERFMODE_NONE:
- count =
- snprintf(buf, PAGE_SIZE,
- "0 (No Interference Mitigation)\n");
+ count = sysfs_emit(buf, "0 (No Interference Mitigation)\n");
break;
case B43_INTERFMODE_NONWLAN:
- count =
- snprintf(buf, PAGE_SIZE,
- "1 (Non-WLAN Interference Mitigation)\n");
+ count = sysfs_emit(buf,
+ "1 (Non-WLAN Interference Mitigation)\n");
break;
case B43_INTERFMODE_MANUALWLAN:
- count =
- snprintf(buf, PAGE_SIZE,
- "2 (WLAN Interference Mitigation)\n");
+ count = sysfs_emit(buf, "2 (WLAN Interference Mitigation)\n");
break;
default:
B43_WARN_ON(1);
diff --git a/drivers/net/wireless/broadcom/b43legacy/sysfs.c b/drivers/net/wireless/broadcom/b43legacy/sysfs.c
index eec087ca30e6..d988fe541bf7 100644
--- a/drivers/net/wireless/broadcom/b43legacy/sysfs.c
+++ b/drivers/net/wireless/broadcom/b43legacy/sysfs.c
@@ -75,16 +75,14 @@ static ssize_t b43legacy_attr_interfmode_show(struct device *dev,
switch (wldev->phy.interfmode) {
case B43legacy_INTERFMODE_NONE:
- count = snprintf(buf, PAGE_SIZE, "0 (No Interference"
- " Mitigation)\n");
+ count = sysfs_emit(buf, "0 (No Interference Mitigation)\n");
break;
case B43legacy_INTERFMODE_NONWLAN:
- count = snprintf(buf, PAGE_SIZE, "1 (Non-WLAN Interference"
- " Mitigation)\n");
+ count = sysfs_emit(buf,
+ "1 (Non-WLAN Interference Mitigation)\n");
break;
case B43legacy_INTERFMODE_MANUALWLAN:
- count = snprintf(buf, PAGE_SIZE, "2 (WLAN Interference"
- " Mitigation)\n");
+ count = sysfs_emit(buf, "2 (WLAN Interference Mitigation)\n");
break;
default:
B43legacy_WARN_ON(1);
@@ -155,11 +153,9 @@ static ssize_t b43legacy_attr_preamble_show(struct device *dev,
mutex_lock(&wldev->wl->mutex);
if (wldev->short_preamble)
- count = snprintf(buf, PAGE_SIZE, "1 (Short Preamble"
- " enabled)\n");
+ count = sysfs_emit(buf, "1 (Short Preamble enabled)\n");
else
- count = snprintf(buf, PAGE_SIZE, "0 (Short Preamble"
- " disabled)\n");
+ count = sysfs_emit(buf, "0 (Short Preamble disabled)\n");
mutex_unlock(&wldev->wl->mutex);