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authorJ. Bruce Fields <bfields@redhat.com>2016-10-26 16:03:00 -0400
committerJ. Bruce Fields <bfields@redhat.com>2016-11-01 15:47:52 -0400
commit56094edd17971372c7fea078ab41315ebf6214d0 (patch)
treedd4ca931333a551db756e4ce82a06b398c770cc4 /net/sunrpc/auth_gss/gss_krb5_crypto.c
parentnfsd: catch errors in decode_fattr earlier (diff)
downloadlinux-dev-56094edd17971372c7fea078ab41315ebf6214d0.tar.xz
linux-dev-56094edd17971372c7fea078ab41315ebf6214d0.zip
sunrpc: GFP_KERNEL should be GFP_NOFS in crypto code
Writes may depend on the auth_gss crypto code, so we shouldn't be allocating with GFP_KERNEL there. This still leaves some crypto_alloc_* calls which end up doing GFP_KERNEL allocations in the crypto code. Those could probably done at crypto import time. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_crypto.c')
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_crypto.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 90115ceefd49..fb39284ec174 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -200,7 +200,7 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
if (IS_ERR(hmac_md5))
goto out_free_md5;
- req = ahash_request_alloc(md5, GFP_KERNEL);
+ req = ahash_request_alloc(md5, GFP_NOFS);
if (!req)
goto out_free_hmac_md5;
@@ -230,7 +230,7 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen,
goto out;
ahash_request_free(req);
- req = ahash_request_alloc(hmac_md5, GFP_KERNEL);
+ req = ahash_request_alloc(hmac_md5, GFP_NOFS);
if (!req)
goto out_free_hmac_md5;
@@ -299,7 +299,7 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen,
if (IS_ERR(tfm))
goto out_free_cksum;
- req = ahash_request_alloc(tfm, GFP_KERNEL);
+ req = ahash_request_alloc(tfm, GFP_NOFS);
if (!req)
goto out_free_ahash;
@@ -397,7 +397,7 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen,
goto out_free_cksum;
checksumlen = crypto_ahash_digestsize(tfm);
- req = ahash_request_alloc(tfm, GFP_KERNEL);
+ req = ahash_request_alloc(tfm, GFP_NOFS);
if (!req)
goto out_free_ahash;
@@ -963,7 +963,7 @@ krb5_rc4_setup_seq_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher,
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
- GFP_KERNEL);
+ GFP_NOFS);
if (!desc) {
dprintk("%s: failed to allocate shash descriptor for '%s'\n",
__func__, kctx->gk5e->cksum_name);
@@ -1030,7 +1030,7 @@ krb5_rc4_setup_enc_key(struct krb5_ctx *kctx, struct crypto_skcipher *cipher,
}
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(hmac),
- GFP_KERNEL);
+ GFP_NOFS);
if (!desc) {
dprintk("%s: failed to allocate shash descriptor for '%s'\n",
__func__, kctx->gk5e->cksum_name);