[PATCH u-boot-mvebu v3 16/18] cmd: rng: Print "Abort" on -EINTR

[Marek Behún]

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 at kernel.org>
---
 cmd/rng.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cmd/rng.c b/cmd/rng.c
index 52f722c7af..48ba67061b 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;
 
 	switch (argc) {
 	case 1:
@@ -46,8 +46,9 @@ 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);
-- 
2.43.2