OSDN Git Service

eeprom: at24: change nvmem stride to 1
authorDavid Lechner <david@lechnology.com>
Mon, 4 Dec 2017 01:54:41 +0000 (19:54 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Dec 2017 09:07:17 +0000 (10:07 +0100)
commit 7f6d2ecd3d7acaf205ea7b3e96f9ffc55b92298b upstream.

Trying to read the MAC address from an eeprom that has an offset that
is not a multiple of 4 causes an error currently.

Fix it by changing the nvmem stride to 1.

Signed-off-by: David Lechner <david@lechnology.com>
[Bartosz: tweaked the commit message]
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/eeprom/at24.c

index 19c10dc..d8a485f 100644 (file)
@@ -783,7 +783,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
        at24->nvmem_config.reg_read = at24_read;
        at24->nvmem_config.reg_write = at24_write;
        at24->nvmem_config.priv = at24;
-       at24->nvmem_config.stride = 4;
+       at24->nvmem_config.stride = 1;
        at24->nvmem_config.word_size = 1;
        at24->nvmem_config.size = chip.byte_len;