Commit c170e5a8 authored by Tony Battersby's avatar Tony Battersby Committed by Martin K. Petersen

scsi: sg: fix minor memory leak in error path

Fix a minor memory leak when there is an error opening a /dev/sg device.

Fixes: cc833acb ("sg: O_EXCL and other lock handling")
Cc: <stable@vger.kernel.org>
Reviewed-by: default avatarEwan D. Milne <emilne@redhat.com>
Signed-off-by: default avatarTony Battersby <tonyb@cybernetics.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent a17037e7
...@@ -2185,6 +2185,7 @@ sg_add_sfp(Sg_device * sdp) ...@@ -2185,6 +2185,7 @@ sg_add_sfp(Sg_device * sdp)
write_lock_irqsave(&sdp->sfd_lock, iflags); write_lock_irqsave(&sdp->sfd_lock, iflags);
if (atomic_read(&sdp->detaching)) { if (atomic_read(&sdp->detaching)) {
write_unlock_irqrestore(&sdp->sfd_lock, iflags); write_unlock_irqrestore(&sdp->sfd_lock, iflags);
kfree(sfp);
return ERR_PTR(-ENODEV); return ERR_PTR(-ENODEV);
} }
list_add_tail(&sfp->sfd_siblings, &sdp->sfds); list_add_tail(&sfp->sfd_siblings, &sdp->sfds);
......
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