From c7c32736bcd428ef146fa49846defaeff0679fdb Mon Sep 17 00:00:00 2001 From: Alexander Shiyan Date: Fri, 11 May 2012 19:42:18 +0400 Subject: i2c: Fix barebox crash when 'count' is not set for i2c_read command Running i2c_read without the 'count' setting causes an error and reboots. barebox@Phytec phyCORE-i.MX27:/ i2c_read -b 1 -a 0x4a -r 0x00 ERROR: out of memory no stack data available Signed-off-by: Sascha Hauer --- commands/i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'commands/i2c.c') diff --git a/commands/i2c.c b/commands/i2c.c index b3d09dcb7c..39bae35a33 100644 --- a/commands/i2c.c +++ b/commands/i2c.c @@ -170,7 +170,7 @@ static int do_i2c_read(int argc, char *argv[]) } } - if ((addr < 0) || (reg < 0) || (count == 0) || (addr > 0x7F)) + if ((addr < 0) || (reg < 0) || (count < 1) || (addr > 0x7F)) return COMMAND_ERROR_USAGE; adapter = i2c_get_adapter(bus); -- cgit v1.2.3