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