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EDAC, skx_common: Refactor so that we initialize "dev" in result of adxl decode.

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Simplifies the code a little.

Acked-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Tony Luck 2019-08-15 14:18:59 -07:00
parent 3a5e7ec903
commit 29b8e84fbc
1 changed files with 23 additions and 25 deletions
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48
drivers/edac/skx_common.c
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@ -100,6 +100,7 @@ void __exit skx_adxl_put(void)
static bool skx_adxl_decode(struct decoded_addr *res)
{
struct skx_dev *d;
int i, len = 0;
if (res->addr >= skx_tohm || (res->addr >= skx_tolm &&
@ -118,6 +119,24 @@ static bool skx_adxl_decode(struct decoded_addr *res)
res->channel = (int)adxl_values[component_indices[INDEX_CHANNEL]];
res->dimm = (int)adxl_values[component_indices[INDEX_DIMM]];
if (res->imc > NUM_IMC - 1) {
skx_printk(KERN_ERR, "Bad imc %d\n", res->imc);
return false;
}
list_for_each_entry(d, &dev_edac_list, list) {
if (d->imc[0].src_id == res->socket) {
res->dev = d;
break;
}
}
if (!res->dev) {
skx_printk(KERN_ERR, "No device for src_id %d imc %d\n",
res->socket, res->imc);
return false;
}
for (i = 0; i < adxl_component_count; i++) {
if (adxl_values[i] == ~0x0ull)
continue;
@ -452,24 +471,6 @@ static void skx_unregister_mci(struct skx_imc *imc)
edac_mc_free(mci);
}
static struct mem_ctl_info *get_mci(int src_id, int lmc)
{
struct skx_dev *d;
if (lmc > NUM_IMC - 1) {
skx_printk(KERN_ERR, "Bad lmc %d\n", lmc);
return NULL;
}
list_for_each_entry(d, &dev_edac_list, list) {
if (d->imc[0].src_id == src_id)
return d->imc[lmc].mci;
}
skx_printk(KERN_ERR, "No mci for src_id %d lmc %d\n", src_id, lmc);
return NULL;
}
static void skx_mce_output_error(struct mem_ctl_info *mci,
const struct mce *m,
struct decoded_addr *res)
@ -580,15 +581,12 @@ int skx_mce_check_error(struct notifier_block *nb, unsigned long val,
if (adxl_component_count) {
if (!skx_adxl_decode(&res))
return NOTIFY_DONE;
mci = get_mci(res.socket, res.imc);
} else {
if (!skx_decode || !skx_decode(&res))
return NOTIFY_DONE;
mci = res.dev->imc[res.imc].mci;
} else if (!skx_decode || !skx_decode(&res)) {
return NOTIFY_DONE;
}
mci = res.dev->imc[res.imc].mci;
if (!mci)
return NOTIFY_DONE;