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[SCSI] sym53c8xx: Don't disable interrupts in the interrupt handler

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Interrupts can't be re-entered, so it's sufficient to call spin_lock, not
spin_lock_irqsave().

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Matthew Wilcox 2007-10-05 15:55:02 -04:00 committed by James Bottomley
parent 71c222dc45
commit 6c9746b363
1 changed files with 3 additions and 4 deletions
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7
drivers/scsi/sym53c8xx_2/sym_glue.c
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@ -550,14 +550,13 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
*/ */
static irqreturn_t sym53c8xx_intr(int irq, void *dev_id) static irqreturn_t sym53c8xx_intr(int irq, void *dev_id)
{ {
unsigned long flags; struct sym_hcb *np = dev_id;
struct sym_hcb *np = (struct sym_hcb *)dev_id;
if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("["); if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("[");
spin_lock_irqsave(np->s.host->host_lock, flags); spin_lock(np->s.host->host_lock);
sym_interrupt(np); sym_interrupt(np);
spin_unlock_irqrestore(np->s.host->host_lock, flags); spin_unlock(np->s.host->host_lock);
if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n"); if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n");