[S390] Add MODALIAS= to the uevent for the ap bus.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 79d89c3..6a54334 100644 (file)
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -431,7 +431,15 @@ static int ap_uevent (struct device *dev, char **envp, int num_envp,
                           ap_dev->device_type);
        if (buffer_size - length <= 0)
                return -ENOMEM;
-       envp[1] = 0;
+       buffer += length;
+       buffer_size -= length;
+       /* Add MODALIAS= */
+       envp[1] = buffer;
+       length = scnprintf(buffer, buffer_size, "MODALIAS=ap:t%02X",
+                          ap_dev->device_type);
+       if (buffer_size - length <= 0)
+               return -ENOMEM;
+       envp[2] = NULL;
        return 0;
 }