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generic: use only first element in bootconf for uImage.FIT

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Now that it is possible to load several device tree overlays by
appending their config names to bootconf the uImage.FIT partition
parser need to discard everything after the first '#' character in
bootconf when looking up the config node to be used.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2023-06-04 18:21:29 +01:00
parent 6b01d40bfe
commit 07bca1adaa
1 changed files with 15 additions and 7 deletions
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22
target/linux/generic/files/block/partitions/fit.c
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@ -84,13 +84,13 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector,
const u32 *image_offset_be, *image_len_be, *image_pos_be;
int ret = 1, node, images, config;
const char *image_name, *image_type, *image_description, *config_default,
*config_description, *config_loadables;
*config_description, *config_loadables, *bootconf_c;
int image_name_len, image_type_len, image_description_len, config_default_len,
config_description_len, config_loadables_len;
config_description_len, config_loadables_len, bootconf_len;
sector_t start_sect, nr_sects;
size_t label_min;
struct device_node *np = NULL;
const char *bootconf;
char *bootconf = NULL, *bootconf_term;
const char *loadable;
const char *select_rootfs = NULL;
bool found;
@ -143,10 +143,17 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector,
return -ENOMEM;
np = of_find_node_by_path("/chosen");
if (np)
bootconf = of_get_property(np, "u-boot,bootconf", NULL);
else
bootconf = NULL;
if (np) {
bootconf_c = of_get_property(np, "u-boot,bootconf", &bootconf_len);
if (bootconf_c && bootconf_len)
bootconf = kmemdup_nul(bootconf_c, bootconf_len, GFP_KERNEL);
}
if (bootconf) {
bootconf_term = strchr(bootconf, '#');
if (bootconf_term)
*bootconf_term = '\0';
}
config = fdt_path_offset(fit, FIT_CONFS_PATH);
if (config < 0) {
@ -285,6 +292,7 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector,
strlcat(state->pp_buf, tmp, PAGE_SIZE);
}
ret_out:
kfree(bootconf);
kfree(fit);
return ret;
}