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path: root/drivers/char/hw_random/amd-rng.c
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Diffstat (limited to 'drivers/char/hw_random/amd-rng.c')
-rw-r--r--drivers/char/hw_random/amd-rng.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c
index 0555e3838bce..9a24d19236dc 100644
--- a/drivers/char/hw_random/amd-rng.c
+++ b/drivers/char/hw_random/amd-rng.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/hw_random.h>
+#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -142,8 +143,10 @@ static int __init amd_rng_mod_init(void)
found:
err = pci_read_config_dword(pdev, 0x58, &pmbase);
- if (err)
+ if (err) {
+ err = pcibios_err_to_errno(err);
goto put_dev;
+ }
pmbase &= 0x0000FF00;
if (pmbase == 0) {