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-rw-r--r--supervisor/shared/flash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/supervisor/shared/flash.c b/supervisor/shared/flash.c
index 298e7d83e..9f52ddbc4 100644
--- a/supervisor/shared/flash.c
+++ b/supervisor/shared/flash.c
@@ -88,7 +88,7 @@ static void build_partition(uint8_t *buf, int boot, int type, uint32_t start_blo
mp_uint_t flash_read_blocks(uint8_t *dest, uint32_t block_num, uint32_t num_blocks) {
if (block_num == 0) {
- if (block_num > 1) {
+ if (num_blocks > 1) {
return 1; // error
}
// fake the MBR so we can decide on our own partition table