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 @@ | |||
1 | From 76c465e87312dbc6cffd05427f1f4d2ebdee4f13 Mon Sep 17 00:00:00 2001 | ||
2 | From: Robert Yang <liezhi.yang@windriver.com> | ||
3 | Date: Fri, 2 Jan 2015 12:28:35 +0800 | ||
4 | Subject: [PATCH 9/9] linux/syslinux: implement install_bootblock() | ||
5 | |||
6 | Refer to the install_bootblock() in extlinux/main.c to make | ||
7 | linux/syslinux.c's install_bootblock() which only supports ext2/3/4. | ||
8 | |||
9 | Upstream-Status: Submitted | ||
10 | |||
11 | Signed-off-by: Robert Yang <liezhi.yang@windriver.com> | ||
12 | Tested-by: Du Dolpher <dolpher.du@intel.com> | ||
13 | --- | ||
14 | linux/syslinux.c | 20 ++++++++++++++++++++ | ||
15 | 1 file changed, 20 insertions(+) | ||
16 | |||
17 | diff --git a/linux/syslinux.c b/linux/syslinux.c | ||
18 | index c741750..917f83a 100755 | ||
19 | --- a/linux/syslinux.c | ||
20 | +++ b/linux/syslinux.c | ||
21 | @@ -419,6 +419,26 @@ static int ext_file_write(ext2_file_t e2_file, const void *buf, size_t count, | ||
22 | */ | ||
23 | int install_bootblock(int fd, const char *device) | ||
24 | { | ||
25 | + struct ext2_super_block sb; | ||
26 | + | ||
27 | + if (xpread(fd, &sb, sizeof sb, EXT2_SUPER_OFFSET + opt.offset) != sizeof sb) { | ||
28 | + perror("reading superblock"); | ||
29 | + return 1; | ||
30 | + } | ||
31 | + | ||
32 | + if (sb.s_magic != EXT2_SUPER_MAGIC) { | ||
33 | + fprintf(stderr, | ||
34 | + "no ext2/3/4 superblock found on %s\n", device); | ||
35 | + return 1; | ||
36 | + } | ||
37 | + | ||
38 | + if (xpwrite(fd, syslinux_bootsect, syslinux_bootsect_len, 0) | ||
39 | + != (signed)syslinux_bootsect_len) { | ||
40 | + perror("writing bootblock"); | ||
41 | + return 1; | ||
42 | + } | ||
43 | + | ||
44 | + return 0; | ||
45 | } | ||
46 | |||
47 | /* The file's block count */ | ||
48 | -- | ||
49 | 1.9.1 | ||
50 | |||