diff options
Diffstat (limited to 'drivers/firmware/dmi_scan.c')
| -rw-r--r-- | drivers/firmware/dmi_scan.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 82ee042f075c..fc30249132f5 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -144,7 +144,7 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *, buf = dmi_early_remap(dmi_base, orig_dmi_len); if (buf == NULL) - return -1; + return -ENOMEM; dmi_decode_table(buf, decode, NULL); @@ -1008,7 +1008,8 @@ EXPORT_SYMBOL(dmi_get_date); * @decode: Callback function * @private_data: Private data to be passed to the callback function * - * Returns -1 when the DMI table can't be reached, 0 on success. + * Returns 0 on success, -ENXIO if DMI is not selected or not present, + * or a different negative error code if DMI walking fails. */ int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data) @@ -1016,11 +1017,11 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *), u8 *buf; if (!dmi_available) - return -1; + return -ENXIO; buf = dmi_remap(dmi_base, dmi_len); if (buf == NULL) - return -1; + return -ENOMEM; dmi_decode_table(buf, decode, private_data); |