Revert "Revert "drm/amdgpu: Fix NULL dereference in dpm sysfs handlers""

This reverts commit 2456c290a7. Got lost
during code rebase/merge. No need to port this to other branches.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2021-01-28 15:16:46 +08:00 committed by Alex Deucher
parent cd63989e0e
commit ce7c1d0476

View File

@ -824,8 +824,7 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
tmp_str++;
while (isspace(*++tmp_str));
while (tmp_str[0]) {
sub_str = strsep(&tmp_str, delimiter);
while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
if (ret)
return -EINVAL;
@ -1107,8 +1106,7 @@ static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
memcpy(buf_cpy, buf, bytes);
buf_cpy[bytes] = '\0';
tmp = buf_cpy;
while (tmp[0]) {
sub_str = strsep(&tmp, delimiter);
while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
if (strlen(sub_str)) {
ret = kstrtol(sub_str, 0, &level);
if (ret)
@ -1869,8 +1867,7 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
i++;
memcpy(buf_cpy, buf, count-i);
tmp_str = buf_cpy;
while (tmp_str[0]) {
sub_str = strsep(&tmp_str, delimiter);
while ((sub_str = strsep(&tmp_str, delimiter)) != NULL) {
ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
if (ret)
return -EINVAL;