Commit 321ece4d authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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i7core_edac: Fix ringbuffer maxsize 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 6e103be1

drivers/edac/i7core_edac.c

+6 −6
Original line number Diff line number Diff line
@@ -1631,14 +1631,14 @@ static void i7core_check_error(struct mem_ctl_info *mci) 
	 * loosing an error.

	 */

	smp_rmb();

	count = (pvt->mce_out + sizeof(mce_entry) - pvt->mce_in)

		% sizeof(mce_entry);

	count = (pvt->mce_out + MCE_LOG_LEN - pvt->mce_in)

		% MCE_LOG_LEN;

	if (!count)

		return;



	m = pvt->mce_outentry;

	if (pvt->mce_in + count > sizeof(mce_entry)) {

		unsigned l = sizeof(mce_entry) - pvt->mce_in;

	if (pvt->mce_in + count > MCE_LOG_LEN) {

		unsigned l = MCE_LOG_LEN - pvt->mce_in;



		memcpy(m, &pvt->mce_entry[pvt->mce_in], sizeof(*m) * l);

		smp_wmb();
@@ -1702,7 +1702,7 @@ static int i7core_mce_check_error(void *priv, struct mce *mce) 
		return 0;



	smp_rmb();

	if ((pvt->mce_out + 1) % sizeof(mce_entry) == pvt->mce_in) {

	if ((pvt->mce_out + 1) % MCE_LOG_LEN == pvt->mce_in) {

		smp_wmb();

		pvt->mce_overrun++;

		return 0;
@@ -1711,7 +1711,7 @@ static int i7core_mce_check_error(void *priv, struct mce *mce) 
	/* Copy memory error at the ringbuffer */

	memcpy(&pvt->mce_entry[pvt->mce_out], mce, sizeof(*mce));

	smp_wmb();

	pvt->mce_out = (pvt->mce_out + 1) % sizeof(mce_entry);

	pvt->mce_out = (pvt->mce_out + 1) % MCE_LOG_LEN;



	/* Handle fatal errors immediately */

	if (mce->mcgstatus & 1)