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do_smhload: fix return code 

do_smhload was using a ulong to store the return value from
smh_load_file. That returns an int, where -1 indicates an error. As a
ulong will never be negative, smh_load_file errors were not detected and
so_smhload always returned zero.

Also, when errors were spotted, do_smhload was returning 1, rather than
the enumeration CMD_RET_FAILURE (which is also 1).

Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Ryan Harkin 2017-03-02 17:45:16 +00:00 committed by Tom Rini
parent 285226785e
commit 072c8c4ced
1 changed files with 2 additions and 2 deletions
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4
arch/arm/lib/semihosting.c
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@ -186,7 +186,7 @@ static int do_smhload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (argc == 3 || argc == 4) { if (argc == 3 || argc == 4) {
ulong load_addr; ulong load_addr;
ulong end_addr = 0; ulong end_addr = 0;
ulong ret; int ret;
char end_str[64]; char end_str[64];
load_addr = simple_strtoul(argv[2], NULL, 16); load_addr = simple_strtoul(argv[2], NULL, 16);
@ -195,7 +195,7 @@ static int do_smhload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
ret = smh_load_file(argv[1], load_addr, &end_addr); ret = smh_load_file(argv[1], load_addr, &end_addr);
if (ret < 0) if (ret < 0)
return 1; return CMD_RET_FAILURE;
/* Optionally save returned end to the environment */ /* Optionally save returned end to the environment */
if (argc == 4) { if (argc == 4) {