Commit-ID: c4326563d9abe86ad54474f9e9142bd2663eede5 Gitweb: https://git.kernel.org/tip/c4326563d9abe86ad54474f9e9142bd2663eede5 Author: Andy Shevchenko <andriy.shevche...@linux.intel.com> AuthorDate: Fri, 20 Jul 2018 10:47:26 +0900 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Sun, 22 Jul 2018 14:13:44 +0200
efivars: Call guid_parse() against guid_t type of variable 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 <andriy.shevche...@linux.intel.com> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org> Cc: Hans de Goede <hdego...@redhat.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Lukas Wunner <lu...@wunner.de> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: linux-...@vger.kernel.org Link: http://lkml.kernel.org/r/20180720014726.24031-10-ard.biesheu...@linaro.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- 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))
