diff options
Diffstat (limited to 'drivers/md/dm-crypt.c')
-rw-r--r-- | drivers/md/dm-crypt.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 00725d1863d5..64ffa0ea8ca4 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c | |||
@@ -771,7 +771,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
771 | 771 | ||
772 | if (crypt_set_key(cc, argv[1])) { | 772 | if (crypt_set_key(cc, argv[1])) { |
773 | ti->error = "Error decoding key"; | 773 | ti->error = "Error decoding key"; |
774 | goto bad1; | 774 | goto bad_cipher; |
775 | } | 775 | } |
776 | 776 | ||
777 | /* Compatiblity mode for old dm-crypt cipher strings */ | 777 | /* Compatiblity mode for old dm-crypt cipher strings */ |
@@ -782,19 +782,19 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
782 | 782 | ||
783 | if (strcmp(chainmode, "ecb") && !ivmode) { | 783 | if (strcmp(chainmode, "ecb") && !ivmode) { |
784 | ti->error = "This chaining mode requires an IV mechanism"; | 784 | ti->error = "This chaining mode requires an IV mechanism"; |
785 | goto bad1; | 785 | goto bad_cipher; |
786 | } | 786 | } |
787 | 787 | ||
788 | if (snprintf(cc->cipher, CRYPTO_MAX_ALG_NAME, "%s(%s)", | 788 | if (snprintf(cc->cipher, CRYPTO_MAX_ALG_NAME, "%s(%s)", |
789 | chainmode, cipher) >= CRYPTO_MAX_ALG_NAME) { | 789 | chainmode, cipher) >= CRYPTO_MAX_ALG_NAME) { |
790 | ti->error = "Chain mode + cipher name is too long"; | 790 | ti->error = "Chain mode + cipher name is too long"; |
791 | goto bad1; | 791 | goto bad_cipher; |
792 | } | 792 | } |
793 | 793 | ||
794 | tfm = crypto_alloc_blkcipher(cc->cipher, 0, CRYPTO_ALG_ASYNC); | 794 | tfm = crypto_alloc_blkcipher(cc->cipher, 0, CRYPTO_ALG_ASYNC); |
795 | if (IS_ERR(tfm)) { | 795 | if (IS_ERR(tfm)) { |
796 | ti->error = "Error allocating crypto tfm"; | 796 | ti->error = "Error allocating crypto tfm"; |
797 | goto bad1; | 797 | goto bad_cipher; |
798 | } | 798 | } |
799 | 799 | ||
800 | strcpy(cc->cipher, cipher); | 800 | strcpy(cc->cipher, cipher); |
@@ -818,12 +818,12 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
818 | cc->iv_gen_ops = &crypt_iv_null_ops; | 818 | cc->iv_gen_ops = &crypt_iv_null_ops; |
819 | else { | 819 | else { |
820 | ti->error = "Invalid IV mode"; | 820 | ti->error = "Invalid IV mode"; |
821 | goto bad2; | 821 | goto bad_ivmode; |
822 | } | 822 | } |
823 | 823 | ||
824 | if (cc->iv_gen_ops && cc->iv_gen_ops->ctr && | 824 | if (cc->iv_gen_ops && cc->iv_gen_ops->ctr && |
825 | cc->iv_gen_ops->ctr(cc, ti, ivopts) < 0) | 825 | cc->iv_gen_ops->ctr(cc, ti, ivopts) < 0) |
826 | goto bad2; | 826 | goto bad_ivmode; |
827 | 827 | ||
828 | cc->iv_size = crypto_blkcipher_ivsize(tfm); | 828 | cc->iv_size = crypto_blkcipher_ivsize(tfm); |
829 | if (cc->iv_size) | 829 | if (cc->iv_size) |
@@ -842,13 +842,13 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
842 | cc->io_pool = mempool_create_slab_pool(MIN_IOS, _crypt_io_pool); | 842 | cc->io_pool = mempool_create_slab_pool(MIN_IOS, _crypt_io_pool); |
843 | if (!cc->io_pool) { | 843 | if (!cc->io_pool) { |
844 | ti->error = "Cannot allocate crypt io mempool"; | 844 | ti->error = "Cannot allocate crypt io mempool"; |
845 | goto bad3; | 845 | goto bad_slab_pool; |
846 | } | 846 | } |
847 | 847 | ||
848 | cc->page_pool = mempool_create_page_pool(MIN_POOL_PAGES, 0); | 848 | cc->page_pool = mempool_create_page_pool(MIN_POOL_PAGES, 0); |
849 | if (!cc->page_pool) { | 849 | if (!cc->page_pool) { |
850 | ti->error = "Cannot allocate page mempool"; | 850 | ti->error = "Cannot allocate page mempool"; |
851 | goto bad4; | 851 | goto bad_page_pool; |
852 | } | 852 | } |
853 | 853 | ||
854 | cc->bs = bioset_create(MIN_IOS, MIN_IOS); | 854 | cc->bs = bioset_create(MIN_IOS, MIN_IOS); |
@@ -859,25 +859,25 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
859 | 859 | ||
860 | if (crypto_blkcipher_setkey(tfm, cc->key, key_size) < 0) { | 860 | if (crypto_blkcipher_setkey(tfm, cc->key, key_size) < 0) { |
861 | ti->error = "Error setting key"; | 861 | ti->error = "Error setting key"; |
862 | goto bad5; | 862 | goto bad_device; |
863 | } | 863 | } |
864 | 864 | ||
865 | if (sscanf(argv[2], "%llu", &tmpll) != 1) { | 865 | if (sscanf(argv[2], "%llu", &tmpll) != 1) { |
866 | ti->error = "Invalid iv_offset sector"; | 866 | ti->error = "Invalid iv_offset sector"; |
867 | goto bad5; | 867 | goto bad_device; |
868 | } | 868 | } |
869 | cc->iv_offset = tmpll; | 869 | cc->iv_offset = tmpll; |
870 | 870 | ||
871 | if (sscanf(argv[4], "%llu", &tmpll) != 1) { | 871 | if (sscanf(argv[4], "%llu", &tmpll) != 1) { |
872 | ti->error = "Invalid device sector"; | 872 | ti->error = "Invalid device sector"; |
873 | goto bad5; | 873 | goto bad_device; |
874 | } | 874 | } |
875 | cc->start = tmpll; | 875 | cc->start = tmpll; |
876 | 876 | ||
877 | if (dm_get_device(ti, argv[3], cc->start, ti->len, | 877 | if (dm_get_device(ti, argv[3], cc->start, ti->len, |
878 | dm_table_get_mode(ti->table), &cc->dev)) { | 878 | dm_table_get_mode(ti->table), &cc->dev)) { |
879 | ti->error = "Device lookup failed"; | 879 | ti->error = "Device lookup failed"; |
880 | goto bad5; | 880 | goto bad_device; |
881 | } | 881 | } |
882 | 882 | ||
883 | if (ivmode && cc->iv_gen_ops) { | 883 | if (ivmode && cc->iv_gen_ops) { |
@@ -886,7 +886,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) | |||
886 | cc->iv_mode = kmalloc(strlen(ivmode) + 1, GFP_KERNEL); | 886 | cc->iv_mode = kmalloc(strlen(ivmode) + 1, GFP_KERNEL); |
887 | if (!cc->iv_mode) { | 887 | if (!cc->iv_mode) { |
888 | ti->error = "Error kmallocing iv_mode string"; | 888 | ti->error = "Error kmallocing iv_mode string"; |
889 | goto bad_iv_mode; | 889 | goto bad_ivmode_string; |
890 | } | 890 | } |
891 | strcpy(cc->iv_mode, ivmode); | 891 | strcpy(cc->iv_mode, ivmode); |
892 | } else | 892 | } else |
@@ -911,20 +911,20 @@ bad_crypt_queue: | |||
911 | destroy_workqueue(cc->io_queue); | 911 | destroy_workqueue(cc->io_queue); |
912 | bad_io_queue: | 912 | bad_io_queue: |
913 | kfree(cc->iv_mode); | 913 | kfree(cc->iv_mode); |
914 | bad_iv_mode: | 914 | bad_ivmode_string: |
915 | dm_put_device(ti, cc->dev); | 915 | dm_put_device(ti, cc->dev); |
916 | bad5: | 916 | bad_device: |
917 | bioset_free(cc->bs); | 917 | bioset_free(cc->bs); |
918 | bad_bs: | 918 | bad_bs: |
919 | mempool_destroy(cc->page_pool); | 919 | mempool_destroy(cc->page_pool); |
920 | bad4: | 920 | bad_page_pool: |
921 | mempool_destroy(cc->io_pool); | 921 | mempool_destroy(cc->io_pool); |
922 | bad3: | 922 | bad_slab_pool: |
923 | if (cc->iv_gen_ops && cc->iv_gen_ops->dtr) | 923 | if (cc->iv_gen_ops && cc->iv_gen_ops->dtr) |
924 | cc->iv_gen_ops->dtr(cc); | 924 | cc->iv_gen_ops->dtr(cc); |
925 | bad2: | 925 | bad_ivmode: |
926 | crypto_free_blkcipher(tfm); | 926 | crypto_free_blkcipher(tfm); |
927 | bad1: | 927 | bad_cipher: |
928 | /* Must zero key material before freeing */ | 928 | /* Must zero key material before freeing */ |
929 | memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); | 929 | memset(cc, 0, sizeof(*cc) + cc->key_size * sizeof(u8)); |
930 | kfree(cc); | 930 | kfree(cc); |