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i7core_edac: Fix ringbuffer maxsize 

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2009-10-08 13:11:08 -03:00
parent 6e103be1c7
commit 321ece4dda
1 changed files with 6 additions and 6 deletions
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12
drivers/edac/i7core_edac.c
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@ -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)