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Diffstat (limited to 'drivers/edac/edac_mc_sysfs.c')
-rw-r--r--drivers/edac/edac_mc_sysfs.c51
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 670d2829c547..c84eecb191ef 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -157,7 +157,7 @@ struct dev_ch_attribute {
157}; 157};
158 158
159#define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \ 159#define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \
160 struct dev_ch_attribute dev_attr_legacy_##_name = \ 160 static struct dev_ch_attribute dev_attr_legacy_##_name = \
161 { __ATTR(_name, _mode, _show, _store), (_var) } 161 { __ATTR(_name, _mode, _show, _store), (_var) }
162 162
163#define to_channel(k) (container_of(k, struct dev_ch_attribute, attr)->channel) 163#define to_channel(k) (container_of(k, struct dev_ch_attribute, attr)->channel)
@@ -850,20 +850,20 @@ static const struct file_operations debug_fake_inject_fops = {
850#endif 850#endif
851 851
852/* default Control file */ 852/* default Control file */
853DEVICE_ATTR(reset_counters, S_IWUSR, NULL, mci_reset_counters_store); 853static DEVICE_ATTR(reset_counters, S_IWUSR, NULL, mci_reset_counters_store);
854 854
855/* default Attribute files */ 855/* default Attribute files */
856DEVICE_ATTR(mc_name, S_IRUGO, mci_ctl_name_show, NULL); 856static DEVICE_ATTR(mc_name, S_IRUGO, mci_ctl_name_show, NULL);
857DEVICE_ATTR(size_mb, S_IRUGO, mci_size_mb_show, NULL); 857static DEVICE_ATTR(size_mb, S_IRUGO, mci_size_mb_show, NULL);
858DEVICE_ATTR(seconds_since_reset, S_IRUGO, mci_seconds_show, NULL); 858static DEVICE_ATTR(seconds_since_reset, S_IRUGO, mci_seconds_show, NULL);
859DEVICE_ATTR(ue_noinfo_count, S_IRUGO, mci_ue_noinfo_show, NULL); 859static DEVICE_ATTR(ue_noinfo_count, S_IRUGO, mci_ue_noinfo_show, NULL);
860DEVICE_ATTR(ce_noinfo_count, S_IRUGO, mci_ce_noinfo_show, NULL); 860static DEVICE_ATTR(ce_noinfo_count, S_IRUGO, mci_ce_noinfo_show, NULL);
861DEVICE_ATTR(ue_count, S_IRUGO, mci_ue_count_show, NULL); 861static DEVICE_ATTR(ue_count, S_IRUGO, mci_ue_count_show, NULL);
862DEVICE_ATTR(ce_count, S_IRUGO, mci_ce_count_show, NULL); 862static DEVICE_ATTR(ce_count, S_IRUGO, mci_ce_count_show, NULL);
863DEVICE_ATTR(max_location, S_IRUGO, mci_max_location_show, NULL); 863static DEVICE_ATTR(max_location, S_IRUGO, mci_max_location_show, NULL);
864 864
865/* memory scrubber attribute file */ 865/* memory scrubber attribute file */
866DEVICE_ATTR(sdram_scrub_rate, 0, NULL, NULL); 866static DEVICE_ATTR(sdram_scrub_rate, 0, NULL, NULL);
867 867
868static struct attribute *mci_attrs[] = { 868static struct attribute *mci_attrs[] = {
869 &dev_attr_reset_counters.attr, 869 &dev_attr_reset_counters.attr,
@@ -989,7 +989,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
989 989
990 err = bus_register(mci->bus); 990 err = bus_register(mci->bus);
991 if (err < 0) 991 if (err < 0)
992 return err; 992 goto fail_free_name;
993 993
994 /* get the /sys/devices/system/edac subsys reference */ 994 /* get the /sys/devices/system/edac subsys reference */
995 mci->dev.type = &mci_attr_type; 995 mci->dev.type = &mci_attr_type;
@@ -1005,9 +1005,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
1005 err = device_add(&mci->dev); 1005 err = device_add(&mci->dev);
1006 if (err < 0) { 1006 if (err < 0) {
1007 edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev)); 1007 edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
1008 bus_unregister(mci->bus); 1008 goto fail_unregister_bus;
1009 kfree(mci->bus->name);
1010 return err;
1011 } 1009 }
1012 1010
1013 if (mci->set_sdram_scrub_rate || mci->get_sdram_scrub_rate) { 1011 if (mci->set_sdram_scrub_rate || mci->get_sdram_scrub_rate) {
@@ -1015,15 +1013,16 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
1015 dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO; 1013 dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO;
1016 dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show; 1014 dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show;
1017 } 1015 }
1016
1018 if (mci->set_sdram_scrub_rate) { 1017 if (mci->set_sdram_scrub_rate) {
1019 dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR; 1018 dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR;
1020 dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store; 1019 dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store;
1021 } 1020 }
1022 err = device_create_file(&mci->dev, 1021
1023 &dev_attr_sdram_scrub_rate); 1022 err = device_create_file(&mci->dev, &dev_attr_sdram_scrub_rate);
1024 if (err) { 1023 if (err) {
1025 edac_dbg(1, "failure: create sdram_scrub_rate\n"); 1024 edac_dbg(1, "failure: create sdram_scrub_rate\n");
1026 goto fail2; 1025 goto fail_unregister_dev;
1027 } 1026 }
1028 } 1027 }
1029 /* 1028 /*
@@ -1032,8 +1031,9 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
1032 for (i = 0; i < mci->tot_dimms; i++) { 1031 for (i = 0; i < mci->tot_dimms; i++) {
1033 struct dimm_info *dimm = mci->dimms[i]; 1032 struct dimm_info *dimm = mci->dimms[i];
1034 /* Only expose populated DIMMs */ 1033 /* Only expose populated DIMMs */
1035 if (dimm->nr_pages == 0) 1034 if (!dimm->nr_pages)
1036 continue; 1035 continue;
1036
1037#ifdef CONFIG_EDAC_DEBUG 1037#ifdef CONFIG_EDAC_DEBUG
1038 edac_dbg(1, "creating dimm%d, located at ", i); 1038 edac_dbg(1, "creating dimm%d, located at ", i);
1039 if (edac_debug_level >= 1) { 1039 if (edac_debug_level >= 1) {
@@ -1048,14 +1048,14 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
1048 err = edac_create_dimm_object(mci, dimm, i); 1048 err = edac_create_dimm_object(mci, dimm, i);
1049 if (err) { 1049 if (err) {
1050 edac_dbg(1, "failure: create dimm %d obj\n", i); 1050 edac_dbg(1, "failure: create dimm %d obj\n", i);
1051 goto fail; 1051 goto fail_unregister_dimm;
1052 } 1052 }
1053 } 1053 }
1054 1054
1055#ifdef CONFIG_EDAC_LEGACY_SYSFS 1055#ifdef CONFIG_EDAC_LEGACY_SYSFS
1056 err = edac_create_csrow_objects(mci); 1056 err = edac_create_csrow_objects(mci);
1057 if (err < 0) 1057 if (err < 0)
1058 goto fail; 1058 goto fail_unregister_dimm;
1059#endif 1059#endif
1060 1060
1061#ifdef CONFIG_EDAC_DEBUG 1061#ifdef CONFIG_EDAC_DEBUG
@@ -1063,16 +1063,19 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci)
1063#endif 1063#endif
1064 return 0; 1064 return 0;
1065 1065
1066fail: 1066fail_unregister_dimm:
1067 for (i--; i >= 0; i--) { 1067 for (i--; i >= 0; i--) {
1068 struct dimm_info *dimm = mci->dimms[i]; 1068 struct dimm_info *dimm = mci->dimms[i];
1069 if (dimm->nr_pages == 0) 1069 if (!dimm->nr_pages)
1070 continue; 1070 continue;
1071
1071 device_unregister(&dimm->dev); 1072 device_unregister(&dimm->dev);
1072 } 1073 }
1073fail2: 1074fail_unregister_dev:
1074 device_unregister(&mci->dev); 1075 device_unregister(&mci->dev);
1076fail_unregister_bus:
1075 bus_unregister(mci->bus); 1077 bus_unregister(mci->bus);
1078fail_free_name:
1076 kfree(mci->bus->name); 1079 kfree(mci->bus->name);
1077 return err; 1080 return err;
1078} 1081}