Revision 64b4c411a6c7a5f27555bfc2d6310b87bde3db67 authored by Andrew Morton on 21 October 2022, 04:19:22 UTC, committed by Andrew Morton on 28 October 2022, 20:37:22 UTC
These percpu counters are referenced in free_ipcs->freeque, so destroy
them later.

Fixes: 72d1e611082e ("ipc/msg: mitigate the lock contention with percpu counter")
Reported-by: syzbot+96e659d35b9d6b541152@syzkaller.appspotmail.com
Tested-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jiebin Sun <jiebin.sun@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
1 parent 27d676a
Raw File
crc7.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_CRC7_H
#define _LINUX_CRC7_H
#include <linux/types.h>

extern const u8 crc7_be_syndrome_table[256];

static inline u8 crc7_be_byte(u8 crc, u8 data)
{
	return crc7_be_syndrome_table[crc ^ data];
}

extern u8 crc7_be(u8 crc, const u8 *buffer, size_t len);

#endif
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