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[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: Dmitry Torokhov <dtor@mail.ru> Cc: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -163,7 +163,6 @@ struct smsc_ircc_cb {
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/* Constants */
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static const char *driver_name = "smsc-ircc2";
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#define DIM(x) (sizeof(x)/(sizeof(*(x))))
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#define SMSC_IRCC2_C_IRDA_FALLBACK_SPEED 9600
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#define SMSC_IRCC2_C_DEFAULT_TRANSCEIVER 1
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#define SMSC_IRCC2_C_NET_TIMEOUT 0
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@ -240,7 +239,7 @@ static smsc_transceiver_t smsc_transceivers[] =
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{ "ATC IRMode", smsc_ircc_set_transceiver_smsc_ircc_atc, smsc_ircc_probe_transceiver_smsc_ircc_atc },
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{ NULL, NULL }
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};
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#define SMSC_IRCC2_C_NUMBER_OF_TRANSCEIVERS (DIM(smsc_transceivers)-1)
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#define SMSC_IRCC2_C_NUMBER_OF_TRANSCEIVERS (ARRAY_SIZE(smsc_transceivers) - 1)
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/* SMC SuperIO chipsets definitions */
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@ -400,7 +399,7 @@ static int __init smsc_ircc_open(unsigned int fir_base, unsigned int sir_base, u
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goto err_out;
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err = -ENOMEM;
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if (dev_count > DIM(dev_self)) {
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if (dev_count >= ARRAY_SIZE(dev_self)) {
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IRDA_WARNING("%s(), too many devices!\n", __FUNCTION__);
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goto err_out1;
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}
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