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Diffstat (limited to 'drivers/s390/cio/chsc.c')
-rw-r--r--drivers/s390/cio/chsc.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 65264a38057..29826fdd47b 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -27,7 +27,13 @@
static void *sei_page;
-static int chsc_error_from_response(int response)
+/**
+ * chsc_error_from_response() - convert a chsc response to an error
+ * @response: chsc response code
+ *
+ * Returns an appropriate Linux error code for @response.
+ */
+int chsc_error_from_response(int response)
{
switch (response) {
case 0x0001:
@@ -45,6 +51,7 @@ static int chsc_error_from_response(int response)
return -EIO;
}
}
+EXPORT_SYMBOL_GPL(chsc_error_from_response);
struct chsc_ssd_area {
struct chsc_header request;