x86/smpboot: Init apic mapping before usage

[cascardo/linux.git] / lib / crc-t10dif.c

diff --git a/lib/crc-t10dif.c b/lib/crc-t10dif.c
index dfe6ec1..1ad33e5 100644 (file)
--- a/lib/crc-t10dif.c
+++ b/lib/crc-t10dif.c
@@ -19,7 +19,7 @@
 static struct crypto_shash *crct10dif_tfm;
 static struct static_key crct10dif_fallback __read_mostly;
 
-__u16 crc_t10dif(const unsigned char *buffer, size_t len)
+__u16 crc_t10dif_update(__u16 crc, const unsigned char *buffer, size_t len)
 {
        struct {
                struct shash_desc shash;
@@ -28,17 +28,23 @@ __u16 crc_t10dif(const unsigned char *buffer, size_t len)
        int err;
 
        if (static_key_false(&crct10dif_fallback))
-               return crc_t10dif_generic(0, buffer, len);
+               return crc_t10dif_generic(crc, buffer, len);
 
        desc.shash.tfm = crct10dif_tfm;
        desc.shash.flags = 0;
-       *(__u16 *)desc.ctx = 0;
+       *(__u16 *)desc.ctx = crc;
 
        err = crypto_shash_update(&desc.shash, buffer, len);
        BUG_ON(err);
 
        return *(__u16 *)desc.ctx;
 }
+EXPORT_SYMBOL(crc_t10dif_update);
+
+__u16 crc_t10dif(const unsigned char *buffer, size_t len)
+{
+       return crc_t10dif_update(0, buffer, len);
+}
 EXPORT_SYMBOL(crc_t10dif);
 
 static int __init crc_t10dif_mod_init(void)