From: Eric Biggers Date: Tue, 31 Dec 2019 17:54:08 +0000 (-0600) Subject: fs-verity: use u64_to_user_ptr() X-Git-Tag: v5.15~4640^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da3a3da4e6c68459618a1043dcb12b450312a4e2;p=platform%2Fkernel%2Flinux-starfive.git fs-verity: use u64_to_user_ptr() already provides a macro u64_to_user_ptr(). Use it instead of open-coding the two casts. No change in behavior. Link: https://lore.kernel.org/r/20191231175408.20524-1-ebiggers@kernel.org Signed-off-by: Eric Biggers --- diff --git a/fs/verity/enable.c b/fs/verity/enable.c index f853573..d98bea3 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -216,8 +216,7 @@ static int enable_verity(struct file *filp, /* Get the salt if the user provided one */ if (arg->salt_size && - copy_from_user(desc->salt, - (const u8 __user *)(uintptr_t)arg->salt_ptr, + copy_from_user(desc->salt, u64_to_user_ptr(arg->salt_ptr), arg->salt_size)) { err = -EFAULT; goto out; @@ -226,8 +225,7 @@ static int enable_verity(struct file *filp, /* Get the signature if the user provided one */ if (arg->sig_size && - copy_from_user(desc->signature, - (const u8 __user *)(uintptr_t)arg->sig_ptr, + copy_from_user(desc->signature, u64_to_user_ptr(arg->sig_ptr), arg->sig_size)) { err = -EFAULT; goto out;