[PATCH One-liner] Bug fix of cfag12864b

[Max Extreme <maxextreme@gmail.com>]

This one-liner patch fixes a bug in drivers/auxdisplay/cfag12864b.c

At cfag12864b_init(), the driver tries to kalloc some memory in the
variable cfag12864b_cache.

Then, as usual, it checks if the call failed. However, it checks
cfag12864b_buffer instead.

This patch changes the "cfag12864b_buffer" to "cfag12864b_cache" so the
correct variable is checked.

Signed-off-by: Miguel Ojeda <maxextreme@gmail.com>
---
diff -Naur linux-2.6.23-rc3-original/drivers/auxdisplay/cfag12864b.c
linux-2.6.23-rc3/drivers/auxdisplay/cfag12864b.c
--- linux-2.6.23-rc3-original/drivers/auxdisplay/cfag12864b.c	2007-07-09
01:32:17.000000000 +0200
+++ linux-2.6.23-rc3/drivers/auxdisplay/cfag12864b.c	2007-08-17
07:29:35.000000000 +0200
@@ -355,7 +355,7 @@
 
 	cfag12864b_cache = kmalloc(sizeof(unsigned char) *
 		CFAG12864B_SIZE, GFP_KERNEL);
-	if (cfag12864b_buffer == NULL) {
+	if (cfag12864b_cache == NULL) {
 		printk(KERN_ERR CFAG12864B_NAME ": ERROR: "
 			"can't alloc cache buffer (%i bytes)\n",
 			CFAG12864B_SIZE);

-
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