提交 a956f4ca 编写于 作者: D Dmitry Torokhov 提交者: Linus Torvalds

[PATCH] smsc-ircc2: drop DIM macro in favor of ARRAY_SIZE

IRDA: smsc-ircc2 - remove home-grown DIM macro, use ARRAY_SIZE intead.
      Also fix out-of-bound array access.
Signed-off-by: NDmitry Torokhov <dtor@mail.ru>
Cc: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 98b77773
......@@ -163,7 +163,6 @@ struct smsc_ircc_cb {
/* Constants */
static const char *driver_name = "smsc-ircc2";
#define DIM(x) (sizeof(x)/(sizeof(*(x))))
#define SMSC_IRCC2_C_IRDA_FALLBACK_SPEED 9600
#define SMSC_IRCC2_C_DEFAULT_TRANSCEIVER 1
#define SMSC_IRCC2_C_NET_TIMEOUT 0
......@@ -240,7 +239,7 @@ static smsc_transceiver_t smsc_transceivers[] =
{ "ATC IRMode", smsc_ircc_set_transceiver_smsc_ircc_atc, smsc_ircc_probe_transceiver_smsc_ircc_atc },
{ NULL, NULL }
};
#define SMSC_IRCC2_C_NUMBER_OF_TRANSCEIVERS (DIM(smsc_transceivers)-1)
#define SMSC_IRCC2_C_NUMBER_OF_TRANSCEIVERS (ARRAY_SIZE(smsc_transceivers) - 1)
/* SMC SuperIO chipsets definitions */
......@@ -400,7 +399,7 @@ static int __init smsc_ircc_open(unsigned int fir_base, unsigned int sir_base, u
goto err_out;
err = -ENOMEM;
if (dev_count > DIM(dev_self)) {
if (dev_count >= ARRAY_SIZE(dev_self)) {
IRDA_WARNING("%s(), too many devices!\n", __FUNCTION__);
goto err_out1;
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册