From: Joel Fernandes <joe...@google.com>
PMSG now uses ramoops_pstore_write_buf_user() instead of ...write_buf().
Print a ratelimited warning if gets accidentally called.
Signed-off-by: Joel Fernandes <joe...@google.com>
[kees: adjusted commit log and added -EINVAL return]
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
fs/pstore/ram.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 6ad831b9d1b8..6d1393965b0a 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -288,10 +288,8 @@ static int notrace ramoops_pstore_write_buf(enum
pstore_type_id type,
persistent_ram_write(cxt->fprz, buf, size);
return 0;
} else if (type == PSTORE_TYPE_PMSG) {
- if (!cxt->mprz)
- return -ENOMEM;
- persistent_ram_write(cxt->mprz, buf, size);
- return 0;
+ pr_warn_ratelimited("PMSG shouldn't call %s\n", __func__);
+ return -EINVAL;
}
if (type != PSTORE_TYPE_DMESG)
--
2.7.4
