diff options
| -rw-r--r-- | drivers/crypto/ccp/psp-dev.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c index b3afb6cc9d72..d95ec526587a 100644 --- a/drivers/crypto/ccp/psp-dev.c +++ b/drivers/crypto/ccp/psp-dev.c @@ -367,8 +367,6 @@ e_free: void *psp_copy_user_blob(u64 __user uaddr, u32 len) { - void *data; - if (!uaddr || !len) return ERR_PTR(-EINVAL); @@ -376,18 +374,7 @@ void *psp_copy_user_blob(u64 __user uaddr, u32 len) if (len > SEV_FW_BLOB_MAX_SIZE) return ERR_PTR(-EINVAL); - data = kmalloc(len, GFP_KERNEL); - if (!data) - return ERR_PTR(-ENOMEM); - - if (copy_from_user(data, (void __user *)(uintptr_t)uaddr, len)) - goto e_free; - - return data; - -e_free: - kfree(data); - return ERR_PTR(-EFAULT); + return memdup_user((void __user *)(uintptr_t)uaddr, len); } EXPORT_SYMBOL_GPL(psp_copy_user_blob); |