diff options
Diffstat (limited to 'drivers/edac/edac_mc.c')
| -rw-r--r-- | drivers/edac/edac_mc.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 6e4c94e9654..2d53cb38868 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -137,6 +137,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows, void *pvt; unsigned size; int row, chn; + int err; /* Figure out the offsets of the various items from the start of an mc * structure. We want the alignment of each item to be at least as @@ -149,7 +150,8 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows, pvt = edac_align_ptr(&chi[nr_chans * nr_csrows], sz_pvt); size = ((unsigned long)pvt) + sz_pvt; - if ((mci = kmalloc(size, GFP_KERNEL)) == NULL) + mci = kzalloc(size, GFP_KERNEL); + if (mci == NULL) return NULL; /* Adjust pointers so they point within the memory we just allocated @@ -182,20 +184,34 @@ struct mem_ctl_info *edac_mc_alloc(unsigned sz_pvt, unsigned nr_csrows, mci->op_state = OP_ALLOC; + /* + * Initialize the 'root' kobj for the edac_mc controller + */ + err = edac_mc_register_sysfs_main_kobj(mci); + if (err) { + kfree(mci); + return NULL; + } + + /* at this point, the root kobj is valid, and in order to + * 'free' the object, then the function: + * edac_mc_unregister_sysfs_main_kobj() must be called + * which will perform kobj unregistration and the actual free + * will occur during the kobject callback operation + */ return mci; } - EXPORT_SYMBOL_GPL(edac_mc_alloc); /** - * edac_mc_free: Free a previously allocated 'mci' structure + * edac_mc_free + * 'Free' a previously allocated 'mci' structure * @mci: pointer to a struct mem_ctl_info structure */ void edac_mc_free(struct mem_ctl_info *mci) { - kfree(mci); + edac_mc_unregister_sysfs_main_kobj(mci); } - EXPORT_SYMBOL_GPL(edac_mc_free); static struct mem_ctl_info *find_mci_by_dev(struct device *dev) @@ -391,7 +407,6 @@ struct mem_ctl_info *edac_mc_find(int idx) return NULL; } - EXPORT_SYMBOL(edac_mc_find); /** @@ -465,7 +480,6 @@ fail0: mutex_unlock(&mem_ctls_mutex); return 1; } - EXPORT_SYMBOL_GPL(edac_mc_add_mc); /** @@ -501,7 +515,6 @@ struct mem_ctl_info *edac_mc_del_mc(struct device *dev) mci->mod_name, mci->ctl_name, dev_name(mci)); return mci; } - EXPORT_SYMBOL_GPL(edac_mc_del_mc); static void edac_mc_scrub_block(unsigned long page, unsigned long offset, @@ -571,7 +584,6 @@ int edac_mc_find_csrow_by_page(struct mem_ctl_info *mci, unsigned long page) return row; } - EXPORT_SYMBOL_GPL(edac_mc_find_csrow_by_page); /* FIXME - setable log (warning/emerg) levels */ @@ -636,7 +648,6 @@ void edac_mc_handle_ce(struct mem_ctl_info *mci, mci->csrows[row].grain); } } - EXPORT_SYMBOL_GPL(edac_mc_handle_ce); void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg) @@ -648,7 +659,6 @@ void edac_mc_handle_ce_no_info(struct mem_ctl_info *mci, const char *msg) mci->ce_noinfo_count++; mci->ce_count++; } - EXPORT_SYMBOL_GPL(edac_mc_handle_ce_no_info); void edac_mc_handle_ue(struct mem_ctl_info *mci, @@ -702,7 +712,6 @@ void edac_mc_handle_ue(struct mem_ctl_info *mci, mci->ue_count++; mci->csrows[row].ue_count++; } - EXPORT_SYMBOL_GPL(edac_mc_handle_ue); void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg) @@ -716,7 +725,6 @@ void edac_mc_handle_ue_no_info(struct mem_ctl_info *mci, const char *msg) mci->ue_noinfo_count++; mci->ue_count++; } - EXPORT_SYMBOL_GPL(edac_mc_handle_ue_no_info); /************************************************************* @@ -784,7 +792,6 @@ void edac_mc_handle_fbd_ue(struct mem_ctl_info *mci, "labels \"%s\": %s\n", csrow, channela, channelb, labels, msg); } - EXPORT_SYMBOL(edac_mc_handle_fbd_ue); /************************************************************* @@ -824,7 +831,6 @@ void edac_mc_handle_fbd_ce(struct mem_ctl_info *mci, mci->csrows[csrow].ce_count++; mci->csrows[csrow].channels[channel].ce_count++; } - EXPORT_SYMBOL(edac_mc_handle_fbd_ce); /* |