From: Marek Behún <kabel@kernel.org>
Date: Thu, 4 Apr 2024 07:51:05 +0000 (+0200)
Subject: cmd: rng: Print "Abort" on -EINTR
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=144c01678a10683657cade783e791a0061d66320;p=u-boot.git

cmd: rng: Print "Abort" on -EINTR

In the rng command, print
  Abort
instead of
  Reading RNG failed
if the error number is -EINTR, which can happen if the user pressed
CTRL-C.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
---

diff --git a/cmd/rng.c b/cmd/rng.c
index b073a6c849..e5ab868112 100644
--- a/cmd/rng.c
+++ b/cmd/rng.c
@@ -17,7 +17,7 @@ static int do_rng(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 	u8 buf[64];
 	int devnum;
 	struct udevice *dev;
-	int ret = CMD_RET_SUCCESS;
+	int ret = CMD_RET_SUCCESS, err;
 
 	if (argc == 2 && !strcmp(argv[1], "list")) {
 		int idx = 0;
@@ -62,8 +62,9 @@ static int do_rng(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 
 	n = min(n, sizeof(buf));
 
-	if (dm_rng_read(dev, buf, n)) {
-		printf("Reading RNG failed\n");
+	err = dm_rng_read(dev, buf, n);
+	if (err) {
+		puts(err == -EINTR ? "Abort\n" : "Reading RNG failed\n");
 		ret = CMD_RET_FAILURE;
 	} else {
 		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, n);