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drm/amd/pm: correct string parsing for extra separator characters case

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Supplement of previous fix.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2021-01-21 16:24:02 +08:00 committed by Alex Deucher
parent aec1d8703e
commit c2efbc3f9d
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/pm/amdgpu_pm.c
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@ -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, &parameter[parameter_size]);
if (ret)
return -EINVAL;