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path: root/drivers/fastboot/fb_getvar.c
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Diffstat (limited to 'drivers/fastboot/fb_getvar.c')
-rw-r--r--drivers/fastboot/fb_getvar.c39
1 files changed, 34 insertions, 5 deletions
diff --git a/drivers/fastboot/fb_getvar.c b/drivers/fastboot/fb_getvar.c
index 63fd38ddee..bf957e8326 100644
--- a/drivers/fastboot/fb_getvar.c
+++ b/drivers/fastboot/fb_getvar.c
@@ -20,7 +20,9 @@ static void getvar_product(char *var_parameter, char *response);
static void getvar_platform(char *var_parameter, char *response);
static void getvar_current_slot(char *var_parameter, char *response);
static void getvar_slot_suffixes(char *var_parameter, char *response);
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
static void getvar_has_slot(char *var_parameter, char *response);
+#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
static void getvar_partition_type(char *part_name, char *response);
#endif
@@ -65,9 +67,11 @@ static const struct {
}, {
.variable = "slot-suffixes",
.dispatch = getvar_slot_suffixes
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
}, {
.variable = "has-slot",
.dispatch = getvar_has_slot
+#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
}, {
.variable = "partition-type",
@@ -183,14 +187,39 @@ static void getvar_slot_suffixes(char *var_parameter, char *response)
fastboot_okay("a,b", response);
}
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
static void getvar_has_slot(char *part_name, char *response)
{
- if (part_name && (!strcmp(part_name, "boot") ||
- !strcmp(part_name, "system")))
- fastboot_okay("yes", response);
- else
- fastboot_okay("no", response);
+ char part_name_wslot[PART_NAME_LEN];
+ size_t len;
+ int r;
+
+ if (!part_name || part_name[0] == '\0')
+ goto fail;
+
+ /* part_name_wslot = part_name + "_a" */
+ len = strlcpy(part_name_wslot, part_name, PART_NAME_LEN - 3);
+ if (len > PART_NAME_LEN - 3)
+ goto fail;
+ strcat(part_name_wslot, "_a");
+
+ r = getvar_get_part_info(part_name_wslot, response, NULL);
+ if (r >= 0) {
+ fastboot_okay("yes", response); /* part exists and slotted */
+ return;
+ }
+
+ r = getvar_get_part_info(part_name, response, NULL);
+ if (r >= 0)
+ fastboot_okay("no", response); /* part exists but not slotted */
+
+ /* At this point response is filled with okay or fail string */
+ return;
+
+fail:
+ fastboot_fail("invalid partition name", response);
}
+#endif
#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
static void getvar_partition_type(char *part_name, char *response)