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Commit d6d1b650 authored by Rusty Russell's avatar Rusty Russell
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param: simple locking for sysfs-writable charp parameters


Since the writing to sysfs can free the old one, we need to block that
when we access the charp variables.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Reviewed-by: default avatarTakashi Iwai <tiwai@suse.de>
Tested-by: default avatarPhil Carmody <ext-phil.2.carmody@nokia.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Dan Williams <dcbw@redhat.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Jing Huang <huangj@brocade.com>
Cc: James E.J. Bottomley <James.Bottomley@suse.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: libertas-dev@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
parent dca41306
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