mtd: nane: print source of error message

Add the function name to the error message.

These messages are not very helpful:

[183356.176682] uncorrectable error :
[183356.180273] uncorrectable error :
[183356.184194] uncorrectable error :
[183356.187773] uncorrectable error :
[183356.191280] uncorrectable error :

Artem: amended the patch a bit

Signed-off-by: Tormod Volden <debian.tormod@gmail.com>

diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index b7cfe0d..053c9a2 100644 (file)
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -55,8 +55,7 @@ struct mtd_info;
 #define MODULE_AUTHOR(x)       /* x */
 #define MODULE_DESCRIPTION(x)  /* x */
 
-#define printk printf
-#define KERN_ERR               ""
+#define pr_err printf
 #endif
 
 /*
@@ -507,7 +506,7 @@ int __nand_correct_data(unsigned char *buf,
        if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
                return 1;       /* error in ECC data; no action needed */
 
-       printk(KERN_ERR "uncorrectable error : ");
+       pr_err("%s: uncorrectable ECC error", __func__);
        return -1;
 }
 EXPORT_SYMBOL(__nand_correct_data);