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Commit 6c9746b3 authored by Matthew Wilcox's avatar Matthew Wilcox Committed by James Bottomley
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[SCSI] sym53c8xx: Don't disable interrupts in the interrupt handler 



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

Signed-off-by: default avatarMatthew Wilcox <willy@linux.intel.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 71c222dc

drivers/scsi/sym53c8xx_2/sym_glue.c

+3 −4
Original line number Diff line number Diff line
@@ -550,14 +550,13 @@ static int sym53c8xx_queue_command(struct scsi_cmnd *cmd, 
 */

static irqreturn_t sym53c8xx_intr(int irq, void *dev_id)

{

	unsigned long flags;

	struct sym_hcb *np = (struct sym_hcb *)dev_id;

	struct sym_hcb *np = dev_id;



	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);

	spin_unlock_irqrestore(np->s.host->host_lock, flags);

	spin_unlock(np->s.host->host_lock);



	if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n");