Re: [SCSI] allow sleeping in ->eh_device_reset_handler()

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On Sat, Jun 18, 2005 at 11:20:21AM -0700, Linux Kernel wrote:
 > tree 1609752ea7a9adb28583147f0bea33a9f10877d7
 > parent 8fa728a26886f56a9ee10a44fea0ddda301d21c3
 > author Jeff Garzik <[email protected]> Sat, 28 May 2005 15:55:48 -0400
 > committer Jeff Garzik <[email protected]> Fri, 17 Jun 2005 22:05:03 -0500
 > 
 > [SCSI] allow sleeping in ->eh_device_reset_handler()
 > 
 > Signed-off-by: James Bottomley <[email protected]>

 .. deletia ...
 
 > ===================================================================
 > --- 105ead5c90057400abae0c8aa9e2b5ba1818c327/drivers/scsi/megaraid.c  (mode:100644 sha1:8d707b29027da4dcab34942adcc7aac9f5e11a8e)
 > +++ 1609752ea7a9adb28583147f0bea33a9f10877d7/drivers/scsi/megaraid.c  (mode:100644 sha1:80b0c40c522b7023369c6498ad24165892b8ff55)
 > @@ -1938,7 +1938,7 @@ megaraid_abort(Scsi_Cmnd *cmd)
 >  
 >  
 >  static int
 > -megaraid_reset(Scsi_Cmnd *cmd)
 > +__megaraid_reset(Scsi_Cmnd *cmd)
 >  {
 >  	adapter_t	*adapter;
 >  	megacmd_t	mc;
 > @@ -1972,6 +1972,18 @@ megaraid_reset(Scsi_Cmnd *cmd)
 >  	return rval;
 >  }
 >  
 > +static int
 > +megaraid_reset(Scsi_Cmnd *cmd)
 > +{
 > +	adapter = (adapter_t *)cmd->device->host->hostdata;
 > +	int rc;
 > +
 > +	spin_lock_irq(&adapter->lock);
 > +	rc = __megaraid_reset(cmd);
 > +	spin_unlock_irq(&adapter->lock);
 > +
 > +	return rc;
 > +}

This doesn't compile.

drivers/scsi/megaraid.c:1978: error: 'adapter' undeclared (first use in this function)
drivers/scsi/megaraid.c:1978: error: (Each undeclared identifier is reported only once
drivers/scsi/megaraid.c:1978: error: for each function it appears in.)
drivers/scsi/megaraid.c:1979: warning: ISO C90 forbids mixed declarations and code

This should fix it.. (untested due to lack of hardware)

Signed-off-by: Dave Jones <[email protected]>

--- linux-2.6.12/drivers/scsi/megaraid.c~	2005-06-20 17:23:27.000000000 -0400
+++ linux-2.6.12/drivers/scsi/megaraid.c	2005-06-20 17:29:03.000000000 -0400
@@ -1975,9 +1975,11 @@ __megaraid_reset(Scsi_Cmnd *cmd)
 static int
 megaraid_reset(Scsi_Cmnd *cmd)
 {
-	adapter = (adapter_t *)cmd->device->host->hostdata;
+	adapter_t *adapter;
 	int rc;
 
+	adapter = cmd->device->host->hostdata;
+
 	spin_lock_irq(&adapter->lock);
 	rc = __megaraid_reset(cmd);
 	spin_unlock_irq(&adapter->lock);

-
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