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Add validation for icache/dcache arguments - arguments different from off/on/flush are currently silently ignored. 

Signed-off-by: Eric Perie <eric.perie@yahoo.com>
This commit is contained in:
Eric Perie 2019-07-13 14:54:58 -04:00 committed by Tom Rini
parent a1b633df55
commit f043dc28e3
1 changed files with 6 additions and 2 deletions
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8
cmd/cache.c
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@ -22,7 +22,7 @@ void __weak invalidate_icache_all(void)
static int do_icache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) static int do_icache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{ {
switch (argc) { switch (argc) {
case 2: /* on / off */ case 2: /* on / off / flush */
switch (parse_argv(argv[1])) { switch (parse_argv(argv[1])) {
case 0: case 0:
icache_disable(); icache_disable();
@ -33,6 +33,8 @@ static int do_icache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
case 2: case 2:
invalidate_icache_all(); invalidate_icache_all();
break; break;
default:
return CMD_RET_USAGE;
} }
break; break;
case 1: /* get status */ case 1: /* get status */
@ -54,7 +56,7 @@ void __weak flush_dcache_all(void)
static int do_dcache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) static int do_dcache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{ {
switch (argc) { switch (argc) {
case 2: /* on / off */ case 2: /* on / off / flush */
switch (parse_argv(argv[1])) { switch (parse_argv(argv[1])) {
case 0: case 0:
dcache_disable(); dcache_disable();
@ -65,6 +67,8 @@ static int do_dcache(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
case 2: case 2:
flush_dcache_all(); flush_dcache_all();
break; break;
default:
return CMD_RET_USAGE;
} }
break; break;
case 1: /* get status */ case 1: /* get status */