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Commit 944b2fbc authored by Jayamohan Kallickal's avatar Jayamohan Kallickal Committed by James Bottomley
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[SCSI] be2iscsi: Fix for a possible udelay while holding lock 



This patch fixes a situation where we could call udelay
while holding spin_lock

Signed-off-by: default avatarJayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 4183122d

drivers/scsi/be2iscsi/be_cmds.c

+0 −7
Original line number Diff line number Diff line
@@ -32,18 +32,11 @@ void be_mcc_notify(struct beiscsi_hba *phba) 
unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)

{

	unsigned int tag = 0;

	unsigned int num = 0;



mcc_tag_rdy:

	if (phba->ctrl.mcc_tag_available) {

		tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];

		phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;

		phba->ctrl.mcc_numtag[tag] = 0;

	} else {

		udelay(100);

		num++;

		if (num < mcc_timeout)

			goto mcc_tag_rdy;

	}

	if (tag) {

		phba->ctrl.mcc_tag_available--;