[linux-next] drm/modes: use strscpy() to instead of strncpy()
Commit Message
From: Xu Panda <xu.panda@zte.com.cn>
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
---
drivers/gpu/drm/drm_modes.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
@@ -2081,8 +2081,7 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
break;
}
- strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
- out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
+ strscpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
}
/**
@@ -2123,8 +2122,7 @@ int drm_mode_convert_umode(struct drm_device *dev,
* useful for the kernel->userspace direction anyway.
*/
out->type = in->type & DRM_MODE_TYPE_ALL;
- strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
- out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
+ strscpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
/* Clearing picture aspect ratio bits from out flags,
* as the aspect-ratio information is not stored in