Lack of this check resulted in a data abort when CPU tried to execute the following command (without further mandatory input): 'pmic MAX77686_PMIC'.

Only the 'pmic list' command requires one passed parameter. Other require at least two valid parameters for correct operation.

Signed-off-by: Lukasz Majewski l.majewski@samsung.com --- drivers/power/power_core.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/power/power_core.c b/drivers/power/power_core.c index 29ccc83..fe1f316 100644 --- a/drivers/power/power_core.c +++ b/drivers/power/power_core.c @@ -140,6 +140,9 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return CMD_RET_SUCCESS; }

+ if (argc < 3) + return CMD_RET_USAGE; + name = argv[1]; cmd = argv[2];