Messages in this thread Patch in this message | | | From | Kieran Bingham <> | Subject | [PATCHv6 08/11] i2c: match vendorless strings on the internal string length | Date | Tue, 25 Oct 2016 17:41:52 +0100 |
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If a user provides a shortened string to match a device to the sysfs i2c interface it will match on the first string that contains that string prefix.
for example: echo a 0x68 > /sys/bus/i2c/devices/i2c-2/new_device
will match as3711, as3722, and ak8975 incorrectly.
Signed-off-by: Kieran Bingham <kieran@bingham.xyz> --- drivers/i2c/i2c-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 01bce56f733a..50c9cfdb87b7 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1708,7 +1708,7 @@ i2c_of_match_device_strip_vendor(const struct of_device_id *matches, else name++; - if (!strncasecmp(client->name, name, strlen(client->name))) + if (!strncasecmp(client->name, name, strlen(name))) return matches; } -- 2.7.4
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