When the pdata is NULL, ramoops_probe() segfaults. So this patch adds
a NULL check to it.
Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
fs/pstore/ram.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 6ad831b..dd9832d 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -576,6 +576,9 @@ static int ramoops_probe(struct platform_device *pdev)
if (cxt->max_dump_cnt)
goto fail_out;
+ if (!pdata)
+ goto fail_out;
+
if (!pdata->mem_size || (!pdata->record_size && !pdata->console_size &&
!pdata->ftrace_size && !pdata->pmsg_size)) {
pr_err("The memory size and the record/console size must be "
--
2.7.4
