diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efi/efi-pstore.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index 202d2c85ba2e..91864ad200ff 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -79,10 +79,9 @@ static int efi_pstore_read_func(struct efivar_entry *entry, void *data) &entry->var.DataSize, entry->var.Data); size = entry->var.DataSize; - *cb_data->buf = kmalloc(size, GFP_KERNEL); + *cb_data->buf = kmemdup(entry->var.Data, size, GFP_KERNEL); if (*cb_data->buf == NULL) return -ENOMEM; - memcpy(*cb_data->buf, entry->var.Data, size); return size; } @@ -236,7 +235,11 @@ static __init int efivars_pstore_init(void) efi_pstore_info.bufsize = 1024; spin_lock_init(&efi_pstore_info.buf_lock); - pstore_register(&efi_pstore_info); + if (pstore_register(&efi_pstore_info)) { + kfree(efi_pstore_info.buf); + efi_pstore_info.buf = NULL; + efi_pstore_info.bufsize = 0; + } return 0; } |