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authorJonas Gorski <jogo@openwrt.org>2013-03-19 13:08:27 +0000
committerRalf Baechle <ralf@linux-mips.org>2013-03-19 19:15:40 +0100
commit97367519d7dac94de566796f034d5f72cbc671f7 (patch)
tree7b9620f642b242634928a7a6cf3ee048c5a3bffc /arch/mips/bcm63xx/nvram.c
parent63c2b6812f1dc0beda4d6adad0365e048aa693e2 (diff)
MIPS: BCM63XX: Make nvram checksum failure non fatal
Some vendors modify the nvram layout moving the checksum to a different place or dropping entirely, so reduce the checksum failure to a warning. Reported-by: Álvaro Fernández Rojas <noltari@gmail.com> Signed-off-by: Jonas Gorski <jogo@openwrt.org> Cc: linux-mips@linux-mips.org Cc: John Crispin <blogic@openwrt.org> Cc: Maxime Bizon <mbizon@freebox.fr> Cc: Florian Fainelli <florian@openwrt.org> Cc: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/bcm63xx/nvram.c')
-rw-r--r--arch/mips/bcm63xx/nvram.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/mips/bcm63xx/nvram.c b/arch/mips/bcm63xx/nvram.c
index 62061168083..a4b8864f930 100644
--- a/arch/mips/bcm63xx/nvram.c
+++ b/arch/mips/bcm63xx/nvram.c
@@ -38,7 +38,7 @@ struct bcm963xx_nvram {
static struct bcm963xx_nvram nvram;
static int mac_addr_used;
-int __init bcm63xx_nvram_init(void *addr)
+void __init bcm63xx_nvram_init(void *addr)
{
unsigned int check_len;
u32 crc, expected_crc;
@@ -60,9 +60,8 @@ int __init bcm63xx_nvram_init(void *addr)
crc = crc32_le(~0, (u8 *)&nvram, check_len);
if (crc != expected_crc)
- return -EINVAL;
-
- return 0;
+ pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n",
+ expected_crc, crc);
}
u8 *bcm63xx_nvram_get_name(void)