diff options
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 695cce82d914..8090dde03280 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -397,17 +397,9 @@ int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx, case MSM_PARAM_CMDLINE: { char *str, **paramp; - str = kmalloc(len + 1, GFP_KERNEL); - if (!str) - return -ENOMEM; - - if (copy_from_user(str, u64_to_user_ptr(value), len)) { - kfree(str); - return -EFAULT; - } - - /* Ensure string is null terminated: */ - str[len] = '\0'; + str = memdup_user_nul(u64_to_user_ptr(value), len); + if (IS_ERR(str)) + return PTR_ERR(str); mutex_lock(&gpu->lock); |