Cleanup: signed/unsigned mismatches, mostly in loop counters

1 files changed, 3 insertions, 3 deletions

diff --git a/projects/hsm/mgmt-cli.c b/projects/hsm/mgmt-cli.c
index ec9bf8f..ab9cf44 100644
--- a/projects/hsm/mgmt-cli.c
+++ b/projects/hsm/mgmt-cli.c
@@ -64,8 +64,8 @@ static tcb_t *cli_task;
 #endif
 
 typedef struct {
-    int ridx;
-    volatile int widx;
+    unsigned ridx;
+    unsigned widx;
     mgmt_cli_dma_state_t rx_state;
     uint8_t buf[CLI_UART_RECVBUF_SIZE];
 } ringbuf_t;
@@ -116,7 +116,7 @@ static void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const c
 
 static ssize_t uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count)
 {
-    for (int i = 0; i < count; ++i) {
+    for (size_t i = 0; i < count; ++i) {
         while (ringbuf_read_char(&uart_ringbuf, (uint8_t *)(buf + i)) == 0)
             task_sleep();
     }