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* RE:cciss patches for 2.4.21-rc1, 3 of 4
@ 2003-04-24 22:12 mikem
  0 siblings, 0 replies; only message in thread
From: mikem @ 2003-04-24 22:12 UTC (permalink / raw)
  To: axboe; +Cc: linux-kernel, mike.miller, steve.cameron

2003/04/24

Changes:
	1: Replaces the bit shifting in cciss_get_geometry() & 
	   register_new_disk() with be32_to_cpu() to ensure correct
	   endian-ness across platforms.

diff -urN lx2421p7-1/drivers/block/cciss.c lx2421p7-1.1/drivers/block/cciss.c
--- lx2421p7-1/drivers/block/cciss.c	Mon Apr  7 13:11:04 2003
+++ lx2421p7-1.1/drivers/block/cciss.c	Mon Apr  7 13:12:28 2003
@@ -1348,15 +1348,7 @@
 			sizeof(ReportLunData_struct), 0, 0, 0 );
 
 	if (return_code == IO_OK) {
-		/* printk("LUN Data\n--------------------------\n"); */
-		listlength |= (0xff &
-			(unsigned int)(ld_buff->LUNListLength[0])) << 24;
-		listlength |= (0xff &
-			(unsigned int)(ld_buff->LUNListLength[1])) << 16;
-		listlength |= (0xff &
-			(unsigned int)(ld_buff->LUNListLength[2])) << 8;
-		listlength |= 0xff &
-			(unsigned int)(ld_buff->LUNListLength[3]);
+		listlength = be32_to_cpu(*((__u32 *) &ld_buff->LUNListLength[0]));
 	} else {
 		/* reading number of logical volumes failed */
 		printk(KERN_WARNING "cciss: report logical volume"
@@ -2699,10 +2691,7 @@
 		printk("LUN Data\n--------------------------\n");
 #endif /* CCISS_DEBUG */ 
 
-		listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24;
-		listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16;
-		listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8;	
-		listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]);
+		listlength = be32_to_cpu(*((__u32 *) &ld_buff->LUNListLength[0]));
 	} else { /* reading number of logical volumes failed */
 		printk(KERN_WARNING "cciss: report logical volume"
 			" command failed\n");

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2003-04-24 22:12 RE:cciss patches for 2.4.21-rc1, 3 of 4 mikem

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