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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2021-06-02 10:19:34 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-06-10 19:41:26 +0200 |
| commit | 99f4f5d62338cab9dcf45735344541574daedd20 (patch) | |
| tree | ba01e7fd496e6f9c07fa89d44efa37efac49e81a /tools | |
| parent | docs: bootconfig: Update for mixing value and subkeys (diff) | |
| download | linux-99f4f5d62338cab9dcf45735344541574daedd20.tar.xz linux-99f4f5d62338cab9dcf45735344541574daedd20.zip | |
bootconfig: Share the checksum function with tools
Move the checksum calculation function into the header for sharing it
with tools/bootconfig.
Link: https://lkml.kernel.org/r/162262197470.264090.16325743685807878807.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/bootconfig/main.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c index 62a3b5064b17..f45fa992e01d 100644 --- a/tools/bootconfig/main.c +++ b/tools/bootconfig/main.c @@ -126,17 +126,6 @@ static void xbc_show_list(void) } } -/* Simple real checksum */ -static int checksum(unsigned char *buf, int len) -{ - int i, sum = 0; - - for (i = 0; i < len; i++) - sum += buf[i]; - - return sum; -} - #define PAGE_SIZE 4096 static int load_xbc_fd(int fd, char **buf, int size) @@ -232,7 +221,7 @@ static int load_xbc_from_initrd(int fd, char **buf) return ret; /* Wrong Checksum */ - rcsum = checksum((unsigned char *)*buf, size); + rcsum = xbc_calc_checksum(*buf, size); if (csum != rcsum) { pr_err("checksum error: %d != %d\n", csum, rcsum); return -EINVAL; @@ -381,7 +370,7 @@ static int apply_xbc(const char *path, const char *xbc_path) return ret; } size = strlen(buf) + 1; - csum = checksum((unsigned char *)buf, size); + csum = xbc_calc_checksum(buf, size); /* Backup the bootconfig data */ data = calloc(size + BOOTCONFIG_ALIGN + |