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path: root/drivers/gpu/drm/amd/pm/amdgpu_pm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 0d37c849b686..cf475ac01b27 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -1095,7 +1095,7 @@ static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
{
int ret;
- long level;
+ unsigned long level;
char *sub_str = NULL;
char *tmp;
char buf_cpy[AMDGPU_MASK_BUF_MAX + 1];
@@ -1110,8 +1110,8 @@ static ssize_t amdgpu_read_mask(const char *buf, size_t count, uint32_t *mask)
tmp = buf_cpy;
while ((sub_str = strsep(&tmp, delimiter)) != NULL) {
if (strlen(sub_str)) {
- ret = kstrtol(sub_str, 0, &level);
- if (ret)
+ ret = kstrtoul(sub_str, 0, &level);
+ if (ret || level > 31)
return -EINVAL;
*mask |= 1 << level;
} else