diff options
Diffstat (limited to 'drivers/firmware/efi/capsule.c')
| -rw-r--r-- | drivers/firmware/efi/capsule.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/firmware/efi/capsule.c b/drivers/firmware/efi/capsule.c index e530540f368c..53b9fd2293ee 100644 --- a/drivers/firmware/efi/capsule.c +++ b/drivers/firmware/efi/capsule.c @@ -86,33 +86,26 @@ bool efi_capsule_pending(int *reset_type) */ int efi_capsule_supported(efi_guid_t guid, u32 flags, size_t size, int *reset) { - efi_capsule_header_t *capsule; + efi_capsule_header_t capsule; + efi_capsule_header_t *cap_list[] = { &capsule }; efi_status_t status; u64 max_size; - int rv = 0; if (flags & ~EFI_CAPSULE_SUPPORTED_FLAG_MASK) return -EINVAL; - capsule = kmalloc(sizeof(*capsule), GFP_KERNEL); - if (!capsule) - return -ENOMEM; - - capsule->headersize = capsule->imagesize = sizeof(*capsule); - memcpy(&capsule->guid, &guid, sizeof(efi_guid_t)); - capsule->flags = flags; + capsule.headersize = capsule.imagesize = sizeof(capsule); + memcpy(&capsule.guid, &guid, sizeof(efi_guid_t)); + capsule.flags = flags; - status = efi.query_capsule_caps(&capsule, 1, &max_size, reset); - if (status != EFI_SUCCESS) { - rv = efi_status_to_err(status); - goto out; - } + status = efi.query_capsule_caps(cap_list, 1, &max_size, reset); + if (status != EFI_SUCCESS) + return efi_status_to_err(status); if (size > max_size) - rv = -ENOSPC; -out: - kfree(capsule); - return rv; + return -ENOSPC; + + return 0; } EXPORT_SYMBOL_GPL(efi_capsule_supported); |