[PATCH] spidernet: check if firmware was loaded correctly
Uploading the device firmware may fail if wrong input data
was provided by the user. This checks for the condition.
From: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 0d765f1..2154469 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1836,7 +1836,7 @@
* spider_net_download_firmware loads the firmware opened by
* spider_net_init_firmware into the adapter.
*/
-static void
+static int
spider_net_download_firmware(struct spider_net_card *card,
const struct firmware *firmware)
{
@@ -1857,8 +1857,13 @@
}
}
+ if (spider_net_read_reg(card, SPIDER_NET_GSINIT))
+ return -EIO;
+
spider_net_write_reg(card, SPIDER_NET_GSINIT,
SPIDER_NET_RUN_SEQ_VALUE);
+
+ return 0;
}
/**
@@ -1909,9 +1914,8 @@
goto out;
}
- spider_net_download_firmware(card, firmware);
-
- err = 0;
+ if (!spider_net_download_firmware(card, firmware))
+ err = 0;
out:
release_firmware(firmware);