Messages in this thread Patch in this message | | | From | Qing Wang <> | Subject | [PATCH] drm: arm: replace snprintf in show functions with sysfs_emit | Date | Thu, 14 Oct 2021 23:47:36 -0700 |
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show() must not use snprintf() when formatting the value to be returned to user space.
Fix the following coccicheck warning: drivers/gpu/drm/arm/malidp_drv.c:657:8-16: WARNING: use scnprintf or sprintf.
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Signed-off-by: Qing Wang <wangqing@vivo.com> --- drivers/gpu/drm/arm/malidp_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c index de59f33..d1af23f 100644 --- a/drivers/gpu/drm/arm/malidp_drv.c +++ b/drivers/gpu/drm/arm/malidp_drv.c @@ -654,7 +654,7 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr, struct drm_device *drm = dev_get_drvdata(dev); struct malidp_drm *malidp = drm->dev_private; - return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id); + return sysfs_emit(buf, "%08x\n", malidp->core_id); } static DEVICE_ATTR_RO(core_id); -- 2.7.4
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