https://github.com/torvalds/linux
Revision 846e8dd47c264e0b359afed28ea88e0acdee6818 authored by Greg Kroah-Hartman on 25 September 2018, 16:14:14 UTC, committed by Greg Kroah-Hartman on 25 September 2018, 16:14:14 UTC
James writes: "SCSI fixes on 20180925 Nine obvious bug fixes mostly in individual drivers. The target fix is of particular importance because it's CVE related." * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: sd: don't crash the host on invalid commands scsi: ipr: System hung while dlpar adding primary ipr adapter back scsi: target: iscsi: Use bin2hex instead of a re-implementation scsi: target: iscsi: Use hex2bin instead of a re-implementation scsi: lpfc: Synchronize access to remoteport via rport scsi: ufs: Disable blk-mq for now scsi: sd: Contribute to randomness when running rotational device scsi: ibmvscsis: Ensure partition name is properly NUL terminated scsi: ibmvscsis: Fix a stringop-overflow warning
Tip revision: 846e8dd47c264e0b359afed28ea88e0acdee6818 authored by Greg Kroah-Hartman on 25 September 2018, 16:14:14 UTC
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Tip revision: 846e8dd
clz_ctz.c
/*
* lib/clz_ctz.c
*
* Copyright (C) 2013 Chanho Min <chanho.min@lge.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
* The functions in this file aren't called directly, but are required by
* GCC builtins such as __builtin_ctz, and therefore they can't be removed
* despite appearing unreferenced in kernel source.
*
* __c[lt]z[sd]i2 can be overridden by linking arch-specific versions.
*/
#include <linux/export.h>
#include <linux/kernel.h>
int __weak __ctzsi2(int val);
int __weak __ctzsi2(int val)
{
return __ffs(val);
}
EXPORT_SYMBOL(__ctzsi2);
int __weak __clzsi2(int val);
int __weak __clzsi2(int val)
{
return 32 - fls(val);
}
EXPORT_SYMBOL(__clzsi2);
int __weak __clzdi2(long val);
int __weak __ctzdi2(long val);
#if BITS_PER_LONG == 32
int __weak __clzdi2(long val)
{
return 32 - fls((int)val);
}
EXPORT_SYMBOL(__clzdi2);
int __weak __ctzdi2(long val)
{
return __ffs((u32)val);
}
EXPORT_SYMBOL(__ctzdi2);
#elif BITS_PER_LONG == 64
int __weak __clzdi2(long val)
{
return 64 - fls64((u64)val);
}
EXPORT_SYMBOL(__clzdi2);
int __weak __ctzdi2(long val)
{
return __ffs64((u64)val);
}
EXPORT_SYMBOL(__ctzdi2);
#else
#error BITS_PER_LONG not 32 or 64
#endif
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