[PATCH] pstore: return error code (if any) from efi_pstore_write

["Kalugin, Evgeny" <evgeny.kalugin-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

From 655a261d71af9de62e0e23ae0eb6f75037ae5e3e Mon Sep 17 00:00:00 2001
From: Evgeny Kalugin <evgeny.kalugin@intel.com>
Date: Tue, 7 Mar 2017 14:22:25 +0000
Subject: [PATCH] pstore: return error code (if any) from efi_pstore_write

For some reason return value from actual variable setting was ignored.
With this change error code get transferred upwards through call stack.

Signed-off-by: Evgeny Kalugin <evgeny.kalugin@intel.com>
---
 drivers/firmware/efi/efi-pstore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c
index f402ba2..2ea808e 100644
--- a/drivers/firmware/efi/efi-pstore.c
+++ b/drivers/firmware/efi/efi-pstore.c
@@ -274,7 +274,7 @@ static int efi_pstore_write(enum pstore_type_id type,
 	for (i = 0; i < DUMP_NAME_LEN; i++)
 		efi_name[i] = name[i];
 
-	efivar_entry_set_safe(efi_name, vendor, PSTORE_EFI_ATTRIBUTES,
+	ret = efivar_entry_set_safe(efi_name, vendor, PSTORE_EFI_ATTRIBUTES,
 			      !pstore_cannot_block_path(reason),
 			      size, psi->buf);
 
-- 
1.9.1

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