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authorDan Williams <dan.j.williams@intel.com>2012-06-21 23:36:20 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-07-20 08:58:53 +0100
commitb17caa174a7e1fd2e17b26e210d4ee91c4c28b37 (patch)
tree5ecdb47d968389d9386e5e5c96fe647a8bb04e7b /include/scsi
parent26f2f199ff150d8876b2641c41e60d1c92d2fb81 (diff)
downloadlinux-linaro-stable-b17caa174a7e1fd2e17b26e210d4ee91c4c28b37.tar.gz
[SCSI] libsas: fix sas_discover_devices return code handling
commit 198439e4 [SCSI] libsas: do not set res = 0 in sas_ex_discover_dev() commit 19252de6 [SCSI] libsas: fix wide port hotplug issues The above commits seem to have confused the return value of sas_ex_discover_dev which is non-zero on failure and sas_ex_join_wide_port which just indicates short circuiting discovery on already established ports. The result is random discovery failures depending on configuration. Calls to sas_ex_join_wide_port are the source of the trouble as its return value is errantly assigned to 'res'. Convert it to bool and stop returning its result up the stack. Cc: <stable@vger.kernel.org> Tested-by: Dan Melnic <dan.melnic@amd.com> Reported-by: Dan Melnic <dan.melnic@amd.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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