diff options
Diffstat (limited to 'drivers/s390/cio/chsc.c')
-rw-r--r-- | drivers/s390/cio/chsc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 65264a38057d..29826fdd47b8 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c | |||
@@ -27,7 +27,13 @@ | |||
27 | 27 | ||
28 | static void *sei_page; | 28 | static void *sei_page; |
29 | 29 | ||
30 | static int chsc_error_from_response(int response) | 30 | /** |
31 | * chsc_error_from_response() - convert a chsc response to an error | ||
32 | * @response: chsc response code | ||
33 | * | ||
34 | * Returns an appropriate Linux error code for @response. | ||
35 | */ | ||
36 | int chsc_error_from_response(int response) | ||
31 | { | 37 | { |
32 | switch (response) { | 38 | switch (response) { |
33 | case 0x0001: | 39 | case 0x0001: |
@@ -45,6 +51,7 @@ static int chsc_error_from_response(int response) | |||
45 | return -EIO; | 51 | return -EIO; |
46 | } | 52 | } |
47 | } | 53 | } |
54 | EXPORT_SYMBOL_GPL(chsc_error_from_response); | ||
48 | 55 | ||
49 | struct chsc_ssd_area { | 56 | struct chsc_ssd_area { |
50 | struct chsc_header request; | 57 | struct chsc_header request; |