[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: 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 коммит произвёл James Bottomley
Родитель 4183122dbc
Коммит 944b2fbce2
1 изменённых файлов: 0 добавлений и 7 удалений

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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 alloc_mcc_tag(struct beiscsi_hba *phba)
{ {
unsigned int tag = 0; unsigned int tag = 0;
unsigned int num = 0;
mcc_tag_rdy:
if (phba->ctrl.mcc_tag_available) { if (phba->ctrl.mcc_tag_available) {
tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index]; tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];
phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0; phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;
phba->ctrl.mcc_numtag[tag] = 0; phba->ctrl.mcc_numtag[tag] = 0;
} else {
udelay(100);
num++;
if (num < mcc_timeout)
goto mcc_tag_rdy;
} }
if (tag) { if (tag) {
phba->ctrl.mcc_tag_available--; phba->ctrl.mcc_tag_available--;