From c2efbc3f9dbef72054d85913135fae7f99ad6b25 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Thu, 21 Jan 2021 16:24:02 +0800 Subject: [PATCH] drm/amd/pm: correct string parsing for extra separator characters case Supplement of previous fix. Signed-off-by: Evan Quan Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/amdgpu_pm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index bbfb966..0d37c84 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -1870,6 +1870,8 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev, memcpy(buf_cpy, buf, count-i); tmp_str = buf_cpy; while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) { + if (strlen(sub_str) == 0) + continue; ret = kstrtol(sub_str, 0, ¶meter[parameter_size]); if (ret) return -EINVAL; -- 2.7.4