diff options
Diffstat (limited to 'drivers/firmware/efi/vars.c')
| -rw-r--r-- | drivers/firmware/efi/vars.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 6f182fd91..34b741940 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -315,7 +315,18 @@ check_var_size(u32 attributes, unsigned long size) if (!fops->query_variable_store) return EFI_UNSUPPORTED; - return fops->query_variable_store(attributes, size); + return fops->query_variable_store(attributes, size, false); +} + +static efi_status_t +check_var_size_nonblocking(u32 attributes, unsigned long size) +{ + const struct efivar_operations *fops = __efivars->ops; + + if (!fops->query_variable_store) + return EFI_UNSUPPORTED; + + return fops->query_variable_store(attributes, size, true); } static int efi_status_to_err(efi_status_t status) @@ -696,7 +707,8 @@ efivar_entry_set_nonblocking(efi_char16_t *name, efi_guid_t vendor, if (!spin_trylock_irqsave(&__efivars->lock, flags)) return -EBUSY; - status = check_var_size(attributes, size + ucs2_strsize(name, 1024)); + status = check_var_size_nonblocking(attributes, + size + ucs2_strsize(name, 1024)); if (status != EFI_SUCCESS) { spin_unlock_irqrestore(&__efivars->lock, flags); return -ENOSPC; |