kumquat-buildroot/package/efivar/0006-ucs2.h-fix-logic-that-checks-for-UCS-2-string-termin.patch
Peter Korsgaard 82f65e2c5f package/efivar: add upstream post-37 patches fixing efibootmgr -v
Without this patch, efibootmgr -v errors out:

efibootmgr -v
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0002,0000
Boot0000* Diagnostic ProgramCould not parse device path: Invalid argument

vs:

efibootmgr -v
BootCurrent: 0001
Timeout: 1 seconds
BootOrder: 0001,0002,0000
Boot0000* Diagnostic Program    FvVol(5c60f367-a505-419a-859e-2a4ff6ca6fe5)/FvFile(085e8cc2-8ec9-4666-bd2a-49d481e95fa7)
Boot0001* containeros-a HD(1,GPT,1491d519-d9d7-7c4e-9110-4ab21271ac64,0x800,0x20000)/File(\efi\container\boot.efi)

For more details, see:

https://github.com/rhboot/efibootmgr/issues/133
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=963475

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Reviewed-by: Ryan Barnett <ryan.barnett@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2021-03-20 22:19:23 +01:00

33 lines
1.0 KiB
Diff

From 4e04afc2df9bbc26e5ab524b53a6f4f1e61d7c9e Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Tue, 5 Mar 2019 17:23:32 +0100
Subject: [PATCH] ucs2.h: fix logic that checks for UCS-2 string termination
Currently the loop to count the lenght of the UCS-2 string ends if either
of the two bytes are 0, but 0 is a valid value for UCS-2 character codes.
So only break the loop when 0 is the value for both UCS-2 char bytes.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
src/ucs2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/ucs2.h b/src/ucs2.h
index e0390c3..fd8b056 100644
--- a/src/ucs2.h
+++ b/src/ucs2.h
@@ -29,7 +29,7 @@ ucs2len(const void *vs, ssize_t limit)
const uint8_t *s8 = vs;
for (i = 0;
- i < (limit >= 0 ? limit : i+1) && s8[0] != 0 && s8[1] != 0;
+ i < (limit >= 0 ? limit : i+1) && !(s8[0] == 0 && s8[1] == 0);
i++, s8 += 2)
;
return i;
--
2.20.1