evie/android_kernel_oneplus_msm8998
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Merge "diag: Null pointer check to avoid kernel panic"

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Linux Build Service Account 2016-12-21 07:29:40 -08:00 • committed by Gerrit - the friendly Code Review server
commit 1b34c4c119
1 changed files with 5 additions and 0 deletions
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5
drivers/char/diag/diagchar_core.c
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@ -704,6 +704,11 @@ struct diag_cmd_reg_entry_t *diag_cmd_search(
list_for_each_safe(start, temp, &driver->cmd_reg_list) { list_for_each_safe(start, temp, &driver->cmd_reg_list) {
item = list_entry(start, struct diag_cmd_reg_t, link); item = list_entry(start, struct diag_cmd_reg_t, link);
if (item == NULL || &item->entry == NULL) {
pr_err("diag: In %s, unable to search command\n",
__func__);
return NULL;
}
temp_entry = &item->entry; temp_entry = &item->entry;
if (temp_entry->cmd_code == entry->cmd_code && if (temp_entry->cmd_code == entry->cmd_code &&
temp_entry->subsys_id == entry->subsys_id && temp_entry->subsys_id == entry->subsys_id &&