image-fit: Make string of algo parameter constant
Modifications would be invalid.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/boot/image-fit.c b/boot/image-fit.c
index f6594e0..85a6f22 100644
--- a/boot/image-fit.c
+++ b/boot/image-fit.c
@@ -191,7 +191,7 @@
const char *keyname;
uint8_t *value;
int value_len;
- char *algo;
+ const char *algo;
const char *padding;
bool required;
int ret, i;
@@ -1063,11 +1063,11 @@
* 0, on success
* -1, on failure
*/
-int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
+int fit_image_hash_get_algo(const void *fit, int noffset, const char **algo)
{
int len;
- *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
+ *algo = (const char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
if (*algo == NULL) {
fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
return -1;
@@ -1265,7 +1265,7 @@
{
uint8_t value[FIT_MAX_HASH_LEN];
int value_len;
- char *algo;
+ const char *algo;
uint8_t *fit_value;
int fit_value_len;
int ignore;