From: Hans Verkuil Date: Sat, 23 Sep 2023 15:21:06 +0000 (+0200) Subject: media: verisilicon: replace snprintf with strscpy+strlcat X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b66215e7b7802caf6aceba0928a437d40e15d3f1;p=linux.git media: verisilicon: replace snprintf with strscpy+strlcat Fixes this warning: drivers/media/platform/verisilicon/hantro_drv.c: In function 'hantro_add_func': drivers/media/platform/verisilicon/hantro_drv.c:902:49: warning: '%s' directive output may be truncated writing up to 127 bytes into a region of size 64 [-Wformat-truncation=] 902 | snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible, | ^~ drivers/media/platform/verisilicon/hantro_drv.c:902:9: note: 'snprintf' output between 5 and 132 bytes into a destination of size 64 902 | snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 903 | funcid == MEDIA_ENT_F_PROC_VIDEO_ENCODER ? "enc" : "dec"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/media/platform/verisilicon/hantro_drv.c:902:49: warning: '%s' directive output may be truncated writing up to 127 bytes into a region of size 64 [-Wformat-truncation=] 902 | snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible, | ^~ drivers/media/platform/verisilicon/hantro_drv.c:902:9: note: 'snprintf' output between 5 and 132 bytes into a destination of size 64 902 | snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 903 | funcid == MEDIA_ENT_F_PROC_VIDEO_ENCODER ? "enc" : "dec"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c index 50ec24c753e9e..a9fa05ac56a9b 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -899,8 +899,9 @@ static int hantro_add_func(struct hantro_dev *vpu, unsigned int funcid) vfd->vfl_dir = VFL_DIR_M2M; vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE; vfd->ioctl_ops = &hantro_ioctl_ops; - snprintf(vfd->name, sizeof(vfd->name), "%s-%s", match->compatible, - funcid == MEDIA_ENT_F_PROC_VIDEO_ENCODER ? "enc" : "dec"); + strscpy(vfd->name, match->compatible, sizeof(vfd->name)); + strlcat(vfd->name, funcid == MEDIA_ENT_F_PROC_VIDEO_ENCODER ? + "-enc" : "-dec", sizeof(vfd->name)); if (funcid == MEDIA_ENT_F_PROC_VIDEO_ENCODER) { vpu->encoder = func;