From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ard Biesheuvel Subject: [PATCH 9/9] efivars: Call guid_parse() against guid_t type of variable Date: Fri, 20 Jul 2018 10:47:26 +0900 Message-ID: <20180720014726.24031-10-ard.biesheuvel@linaro.org> References: <20180720014726.24031-1-ard.biesheuvel@linaro.org> Return-path: In-Reply-To: <20180720014726.24031-1-ard.biesheuvel@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-efi@vger.kernel.org, Ingo Molnar , Thomas Gleixner Cc: Ard Biesheuvel , linux-kernel@vger.kernel.org, Andy Shevchenko , Hans de Goede , Lukas Wunner List-Id: linux-efi@vger.kernel.org From: Andy Shevchenko uuid_le_to_bin() is deprecated API and take into consideration that variable, to where we store parsed data, is type of guid_t we switch to guid_parse() for sake of consistency. While here, add error checking to it. Signed-off-by: Andy Shevchenko Signed-off-by: Ard Biesheuvel --- fs/efivarfs/inode.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c index 71fccccf317e..8c6ab6c95727 100644 --- a/fs/efivarfs/inode.c +++ b/fs/efivarfs/inode.c @@ -86,7 +86,9 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, /* length of the variable name itself: remove GUID and separator */ namelen = dentry->d_name.len - EFI_VARIABLE_GUID_LEN - 1; - uuid_le_to_bin(dentry->d_name.name + namelen + 1, &var->var.VendorGuid); + err = guid_parse(dentry->d_name.name + namelen + 1, &var->var.VendorGuid); + if (err) + goto out; if (efivar_variable_is_removable(var->var.VendorGuid, dentry->d_name.name, namelen)) -- 2.17.1