cfag12864b fix

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/auxdisplay/cfag12864b.c b/drivers/auxdisplay/cfag12864b.c
index cb44cb4f6a47bf25c38a37f0a15832517f2d0c26..80bb061053877806bc7d6de0256e27b706a18977 100644 (file)
--- a/drivers/auxdisplay/cfag12864b.c
+++ b/drivers/auxdisplay/cfag12864b.c
@@ -355,7 +355,7 @@ static int __init cfag12864b_init(void)
 
        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);