Commit da27a2438 (efivarfs: guid part of filenames are case-insensitive) fails
to boot,
because the kernel creates files in the form of dump-type-x-y-z-GUID. Since the
kernel already
created files in this form, these type of files obviously exist, so the right
course of action
is to relax the restriction in efivarfs_valid_name.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com>
Cc: sta...@vger.kernel.org [3.8]
---
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 8bcb595..3ee1882 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -921,8 +921,8 @@ static bool efivarfs_valid_name(const char *str, int len)
if (len < GUID_LEN + 2)
return false;
- /* GUID should be right after the first '-' */
- if (s - 1 != strchr(str, '-'))
+ /* GUID should be prefixed with - */
+ if (s[-1] != '-')
return false;
/*
--
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