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authorTony Luck <tony.luck@intel.com>2019-08-16 00:18:59 +0300
committerTony Luck <tony.luck@intel.com>2019-10-19 01:27:48 +0300
commit29b8e84fbc23cb2b70317b745641ea0569426872 (patch)
tree5152e6a887ae52eb2b7436c8a29577c1d47e1fb1 /drivers/edac
parent3a5e7ec9031f1c6a5eccd24151fda8c4a07a318e (diff)
downloadlinux-29b8e84fbc23cb2b70317b745641ea0569426872.tar.xz
EDAC, skx_common: Refactor so that we initialize "dev" in result of adxl decode.
Simplifies the code a little. Acked-by: Aristeu Rozanski <aris@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/skx_common.c48
1 files changed, 23 insertions, 25 deletions
diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c
index 83dd5da67a28..de06d58d7d2a 100644
--- a/drivers/edac/skx_common.c
+++ b/drivers/edac/skx_common.c
@@ -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;