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authorDan Carpenter <dan.carpenter@linaro.org>2023-07-03 16:18:08 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2023-07-07 06:16:47 +0200
commit9e9311e04e63ede92be98425efd843f9836336bd (patch)
treee8dfdbd8bd2e604f24cddc8bb4604dbfb1c99c38 /crypto/asymmetric_keys
parentcrypto: af_alg - Fix merging of written data into spliced pages (diff)
downloadlinux-9e9311e04e63ede92be98425efd843f9836336bd.tar.xz
linux-9e9311e04e63ede92be98425efd843f9836336bd.zip
KEYS: asymmetric: Fix error codes
These error paths should return the appropriate error codes instead of returning success. Fixes: 63ba4d67594a ("KEYS: asymmetric: Use new crypto interface without scatterlists") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/asymmetric_keys')
-rw-r--r--crypto/asymmetric_keys/public_key.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index e787598cb3f7..773e159dbbcb 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -185,8 +185,10 @@ static int software_key_query(const struct kernel_pkey_params *params,
if (issig) {
sig = crypto_alloc_sig(alg_name, 0, 0);
- if (IS_ERR(sig))
+ if (IS_ERR(sig)) {
+ ret = PTR_ERR(sig);
goto error_free_key;
+ }
if (pkey->key_is_private)
ret = crypto_sig_set_privkey(sig, key, pkey->keylen);
@@ -208,8 +210,10 @@ static int software_key_query(const struct kernel_pkey_params *params,
}
} else {
tfm = crypto_alloc_akcipher(alg_name, 0, 0);
- if (IS_ERR(tfm))
+ if (IS_ERR(tfm)) {
+ ret = PTR_ERR(tfm);
goto error_free_key;
+ }
if (pkey->key_is_private)
ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen);
@@ -300,8 +304,10 @@ static int software_key_eds_op(struct kernel_pkey_params *params,
if (issig) {
sig = crypto_alloc_sig(alg_name, 0, 0);
- if (IS_ERR(sig))
+ if (IS_ERR(sig)) {
+ ret = PTR_ERR(sig);
goto error_free_key;
+ }
if (pkey->key_is_private)
ret = crypto_sig_set_privkey(sig, key, pkey->keylen);
@@ -313,8 +319,10 @@ static int software_key_eds_op(struct kernel_pkey_params *params,
ksz = crypto_sig_maxsize(sig);
} else {
tfm = crypto_alloc_akcipher(alg_name, 0, 0);
- if (IS_ERR(tfm))
+ if (IS_ERR(tfm)) {
+ ret = PTR_ERR(tfm);
goto error_free_key;
+ }
if (pkey->key_is_private)
ret = crypto_akcipher_set_priv_key(tfm, key, pkey->keylen);
@@ -411,8 +419,10 @@ int public_key_verify_signature(const struct public_key *pkey,
key = kmalloc(pkey->keylen + sizeof(u32) * 2 + pkey->paramlen,
GFP_KERNEL);
- if (!key)
+ if (!key) {
+ ret = -ENOMEM;
goto error_free_tfm;
+ }
memcpy(key, pkey->key, pkey->keylen);
ptr = key + pkey->keylen;