[PATCH] drm: sysfs: convert sysfs snprintf to sysfs_emit

From: Carlis
Date: Sun Apr 04 2021 - 02:55:15 EST


From: Xuezhi Zhang <zhangxuezhi1@xxxxxxxxxx>

Fix the following coccicheck warning:
drivers/gpu/drm/drm_sysfs.c:172:8-16:
WARNING: use scnprintf or sprintf
drivers/gpu/drm/drm_sysfs.c:185:8-16:
WARNING: use scnprintf or sprintf
drivers/gpu/drm/drm_sysfs.c:159:8-16:
WARNING: use scnprintf or sprintf

Signed-off-by: Xuezhi Zhang <zhangxuezhi1@xxxxxxxxxx>
---
drivers/gpu/drm/drm_sysfs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index f0336c804..13142fd9d 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -156,7 +156,7 @@ static ssize_t status_show(struct device *device,

status = READ_ONCE(connector->status);

- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return sysfs_emit(buf, "%s\n",
drm_get_connector_status_name(status));
}

@@ -169,7 +169,7 @@ static ssize_t dpms_show(struct device *device,

dpms = READ_ONCE(connector->dpms);

- return snprintf(buf, PAGE_SIZE, "%s\n",
+ return sysfs_emit(buf, "%s\n",
drm_get_dpms_name(dpms));
}

@@ -182,7 +182,7 @@ static ssize_t enabled_show(struct device *device,

enabled = READ_ONCE(connector->encoder);

- return snprintf(buf, PAGE_SIZE, enabled ? "enabled\n" : "disabled\n");
+ return sysfs_emit(buf, enabled ? "enabled\n" : "disabled\n");
}

static ssize_t edid_show(struct file *filp, struct kobject *kobj,
--
2.25.1