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[SCSI] be2iscsi: Fix for a possible udelay while holding lock

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

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Jayamohan Kallickal 2010-02-20 08:03:24 +05:30 committed by James Bottomley
parent 4183122dbc
commit 944b2fbce2
1 changed files with 0 additions and 7 deletions
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7
drivers/scsi/be2iscsi/be_cmds.c
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@ -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--;