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authorDmitry Kalinkin <dmitry.kalinkin@gmail.com>2015-02-26 18:53:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-06 17:03:22 -0800
commit0cd189a42da07c89c809debc1f6a75f5ec0f5c43 (patch)
treeb4a47d098d8d8afb60324548e62132f8e6b84320 /drivers/vme
parentad22d55c4b304a163c7372c00768f50adaecc686 (diff)
downloadlinux-0cd189a42da07c89c809debc1f6a75f5ec0f5c43.tar.bz2
staging: vme: use image mutex for ioctl()
This implements more granular locking in vme_user_ioctl() by using separate locks for each devfs device. This also provides a synchronization between vme_user_read(), vme_user_write() and vme_user_ioctl(). Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Martyn Welch <martyn.welch@ge.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/vme')
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