Jörn Engel b499e5249e
[SCSI] sg: protect sdp->exclude ...
Changes since v1: set_exclude now returns the new value, which gets
rid of the comma expression and the operator precedence bug. Thanks
to Douglas for spotting it.
sdp->exclude was previously protected by the BKL. The sg_mutex, which
replaced the BKL, only semi-protected it, as it was missing from
sg_release() and sg_proc_seq_show_debug(). Take an explicit spinlock
for it.
Signed-off-by: Joern Engel <joern@logfs.org >
Acked-by: Douglas Gilbert <dgilbert@interlog.com >
Signed-off-by: James Bottomley <JBottomley@Parallels.com >
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b499e5249e