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Steffen Maier 44f747fff6 [SCSI] zfcp: return early from slave_destroy if slave_alloc returned early ... zfcp_scsi_slave_destroy erroneously always tried to finish its task even if the corresponding previous zfcp_scsi_slave_alloc returned early. This can lead to kernel page faults on accessing uninitialized fields of struct zfcp_scsi_dev in zfcp_erp_lun_shutdown_wait. Take the port field of the struct to determine if slave_alloc returned early. This zfcp bug is exposed by 4e6c82b (in turn fixing f7c9c6b to be compatible with 21208ae) which can call slave_destroy for a corresponding previous slave_alloc that did not finish. This patch is based on James Bottomley's fix suggestion in http://www.spinics.net/lists/linux-scsi/msg55449.html. Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com> Cc: <stable@kernel.org> #2.6.38+ Signed-off-by: James Bottomley <JBottomley@Parallels.com>		13 years ago
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block	Merge branch 'for-3.2/core' of git://git.kernel.dk/linux-block	13 years ago
char	[S390] zfcpdump: Do not initialize zfcpdump in kdump mode	13 years ago
cio	[S390] cio: fix chsc_chp_vary	13 years ago
crypto	[S390] ap: Setup timer for sending messages after reset.	13 years ago
kvm	Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux	13 years ago
net	qeth: Reduce CPU consumption through less SIGA-r calls	13 years ago
scsi	[SCSI] zfcp: return early from slave_destroy if slave_alloc returned early	13 years ago
Makefile	…