#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H #define __ASM_GENERIC_UACCESS_UNALIGNED_H /* * This macro should be used instead of __get_user() when accessing * values at locations that are not known to be aligned. */ #define __get_user_unaligned(x, ptr) \ ({ \ __typeof__ (*(ptr)) __x; \ __copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \ (x) = __x; \ }) /* * This macro should be used instead of __put_user() when accessing * values at locations that are not known to be aligned. */ #define __put_user_unaligned(x, ptr) \ ({ \ __typeof__ (*(ptr)) __x = (x); \ __copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \ }) #endif /* __ASM_GENERIC_UACCESS_UNALIGNED_H */ : net-next.git
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path: root/drivers/usb/wusbcore
input type='hidden' name='id' value='bbb27fc33d44e7b8d96369810654df4ee1837566'/>
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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-02-02 20:15:16 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 17:13:01 +0100
commitbbb27fc33d44e7b8d96369810654df4ee1837566 (patch)
treeb769e165ad52c0021054f1a048b62bd7e4fbec47 /drivers/usb/serial/usb-wwan.h
parentf43128c75202f29ee71aa83e6c320a911137c189 (diff)
i2c: piix4: Request the SMBUS semaphore inside the mutex
SMBSLVCNT must be protected with the piix4_mutex_sb800 in order to avoid multiple buses accessing to the semaphore at the same time. Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC") Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/serial/usb-wwan.h')