diff options
Diffstat (limited to 'meta/recipes-devtools/syslinux/syslinux/0009-linux-syslinux-implement-install_bootblock.patch')
-rw-r--r-- | meta/recipes-devtools/syslinux/syslinux/0009-linux-syslinux-implement-install_bootblock.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta/recipes-devtools/syslinux/syslinux/0009-linux-syslinux-implement-install_bootblock.patch b/meta/recipes-devtools/syslinux/syslinux/0009-linux-syslinux-implement-install_bootblock.patch new file mode 100644 index 0000000000..cd89d92485 --- /dev/null +++ b/meta/recipes-devtools/syslinux/syslinux/0009-linux-syslinux-implement-install_bootblock.patch @@ -0,0 +1,50 @@ +From 76c465e87312dbc6cffd05427f1f4d2ebdee4f13 Mon Sep 17 00:00:00 2001 +From: Robert Yang <liezhi.yang@windriver.com> +Date: Fri, 2 Jan 2015 12:28:35 +0800 +Subject: [PATCH 9/9] linux/syslinux: implement install_bootblock() + +Refer to the install_bootblock() in extlinux/main.c to make +linux/syslinux.c's install_bootblock() which only supports ext2/3/4. + +Upstream-Status: Submitted + +Signed-off-by: Robert Yang <liezhi.yang@windriver.com> +Tested-by: Du Dolpher <dolpher.du@intel.com> +--- + linux/syslinux.c | 20 ++++++++++++++++++++ + 1 file changed, 20 insertions(+) + +diff --git a/linux/syslinux.c b/linux/syslinux.c +index c741750..917f83a 100755 +--- a/linux/syslinux.c ++++ b/linux/syslinux.c +@@ -419,6 +419,26 @@ static int ext_file_write(ext2_file_t e2_file, const void *buf, size_t count, + */ + int install_bootblock(int fd, const char *device) + { ++ struct ext2_super_block sb; ++ ++ if (xpread(fd, &sb, sizeof sb, EXT2_SUPER_OFFSET + opt.offset) != sizeof sb) { ++ perror("reading superblock"); ++ return 1; ++ } ++ ++ if (sb.s_magic != EXT2_SUPER_MAGIC) { ++ fprintf(stderr, ++ "no ext2/3/4 superblock found on %s\n", device); ++ return 1; ++ } ++ ++ if (xpwrite(fd, syslinux_bootsect, syslinux_bootsect_len, 0) ++ != (signed)syslinux_bootsect_len) { ++ perror("writing bootblock"); ++ return 1; ++ } ++ ++ return 0; + } + + /* The file's block count */ +-- +1.9.1 + |