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authorDmitry Rokosov <ddrokosov@salutedevices.com>2024-12-20 00:42:09 +0300
committerTom Rini <trini@konsulko.com>2025-01-14 15:41:56 -0600
commitc39257c131f9110aae6c080f962870ae64043880 (patch)
treea119148036924c2f69cb500478c34151a41f868a
parent453625a861c496194c920eeeaead20f9be6c9ba3 (diff)
fdt_support: board_fdt_chosen_bootargs() should return const char*
It should be structured this way to demonstrate to the caller that freeing the return value is unnecessary and that the caller cannot modify it. The function fdt_setprop() includes a parameter with a const char* prototype, so it is better to use the const qualifier. Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
-rw-r--r--boot/fdt_support.c4
-rw-r--r--include/fdt_support.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/boot/fdt_support.c b/boot/fdt_support.c
index 2392027d40b..2c39b2dd14b 100644
--- a/boot/fdt_support.c
+++ b/boot/fdt_support.c
@@ -321,7 +321,7 @@ int fdt_kaslrseed(void *fdt, bool overwrite)
* board_fdt_chosen_bootargs - boards may override this function to use
* alternative kernel command line arguments
*/
-__weak char *board_fdt_chosen_bootargs(void)
+__weak const char *board_fdt_chosen_bootargs(void)
{
return env_get("bootargs");
}
@@ -331,7 +331,7 @@ int fdt_chosen(void *fdt)
struct abuf buf = {};
int nodeoffset;
int err;
- char *str; /* used to set string properties */
+ const char *str; /* used to set string properties */
err = fdt_check_header(fdt);
if (err < 0) {
diff --git a/include/fdt_support.h b/include/fdt_support.h
index ed4f5ba26c1..f481881ce64 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -236,7 +236,7 @@ int board_rng_seed(struct abuf *buf);
*
* Return: pointer to kernel command line arguments in memory
*/
-char *board_fdt_chosen_bootargs(void);
+const char *board_fdt_chosen_bootargs(void);
/*
* The keystone2 SOC requires all 32 bit aliased addresses to be converted