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soc: qcom: Rollback when failed to register new region

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Remove region from local minidump table when failed to register new
region with RM call.

Change-Id: I85bbf62e90cd423be7d3475a5f6526062b22c8c9
Signed-off-by: Cong Zhang <quic_congzhan@quicinc.com>
This commit is contained in:
Cong Zhang 2022-08-19 18:02:38 +08:00 committed by Gerrit - the friendly Code Review server
parent db78883a87
commit b6d428f6a8
1 changed files with 9 additions and 2 deletions
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11
drivers/soc/qcom/msm_minidump.c
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@ -366,12 +366,19 @@ static void md_rm_add_work(struct md_region *entry)
slot_num =
gh_rm_minidump_register_range(entry->phys_addr, entry->size,
entry->name, strlen(entry->name));
spin_lock_irqsave(&mdt_lock, flags);
if (slot_num < 0) {
memmove(&minidump_rm_table->entry[entry_num],
&minidump_rm_table->entry[entry_num + 1],
((num_regions - entry_num - 1) *
sizeof(struct md_rm_region)));
memset(&minidump_rm_table->entry[num_regions - 1], 0,
sizeof(struct md_rm_region));
num_regions--;
pr_err("Failed to register minidump entry:%s ret:%d\n",
entry->name, slot_num);
return;
goto out;
}
spin_lock_irqsave(&mdt_lock, flags);
if (strcmp(entry->name, minidump_rm_table->entry[entry_num].name)) {
printk_deferred(
"Add entry:%s failed, minidump table is corrupt\n",