linux-kernel - [PATCH] blk-mq: fix alignment mismatch.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210330230249.709221-1-jiancai@google.com>
Date:   Tue, 30 Mar 2021 16:02:49 -0700
From:   Jian Cai <jiancai@...gle.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     cjdb@...gle.com, manojgupta@...gle.com, llozano@...gle.com,
        clang-built-linux@...glegroups.com, Jian Cai <jiancai@...gle.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Jens Axboe <axboe@...nel.dk>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] blk-mq: fix alignment mismatch.

This fixes the mismatch of alignments between csd and its use as an
argument to smp_call_function_single_async, which causes build failure
when -Walign-mismatch in Clang is used.

Link:
http://crrev.com/c/1193732

Suggested-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Jian Cai <jiancai@...gle.com>
---
 include/linux/blkdev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index bc6bc8383b43..3b92330d95ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -231,7 +231,7 @@ struct request {
 	unsigned long deadline;
 
 	union {
-		struct __call_single_data csd;
+		call_single_data_t csd;
 		u64 fifo_time;
 	};
 
-- 
2.31.0.291.g576ba9dcdaf-goog