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recovery: turn is_dualboot_enabled() into generic function 

The new function compares the value of the variable with
one given as parameter.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
This commit is contained in:
Hector Palacios 2021-08-27 13:16:07 +02:00
parent ec08b1277a
commit 6910a11eab
1 changed files with 17 additions and 17 deletions
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34
meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/lib/recovery.c
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@ -74,29 +74,29 @@ static char *emmc_parts_blacklist[] = {
static char *rootfs[] = { "rootfs", NULL };
/*
* Function: is_device_closed
* Description: check if the device is in dualboot mode
* Function: check_uboot_var
* Description: Compares an env variable with a given value
*/
static bool is_dualboot_enabled(void)
static bool check_uboot_var(char *name, char *value)
{
const char *var;
const char *val;
bool ret = false;
/* Parse dualboot */
if (uboot_getenv("dualboot", &var)) {
fprintf(stderr, "Error: getenv 'dualboot'\n");
/* Parse variable */
if (uboot_getenv(name, &val)) {
fprintf(stderr, "Error: getenv '%s'\n", name);
return false;
}
/* Consider dualboot not enabled if variable doesn't exist */
if (!var)
/* Return false if variable doesn't exist */
if (!val)
return false;
/* Is dualboot enabled */
if (!strcmp(var, "yes"))
/* Is val == value */
if (!strcmp(val, value))
ret = true;
free(var);
free(val);
return ret;
}
@ -112,7 +112,7 @@ static int append_recovery_command(const char *value)
int ret = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
if (check_uboot_var("dualboot", "yes")) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
@ -622,7 +622,7 @@ int update_firmware(const char *swu_path)
int ret = -1;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
if (check_uboot_var("dualboot", "yes")) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
@ -668,7 +668,7 @@ int reboot_recovery(unsigned int reboot_timeout)
int ret = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
if (check_uboot_var("dualboot", "yes")) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
@ -718,7 +718,7 @@ int set_encryption_key(char *key, unsigned char force)
unsigned char i = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
if (check_uboot_var("dualboot", "yes")) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
return ret;
}
@ -822,7 +822,7 @@ int encrypt_partitions(char *to_encrypt, char *to_unencrypt, unsigned char force
int ret;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
if (check_uboot_var("dualboot", "yes")) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
return 1;
}