[NET]: kfree cleanup

From: Jesper Juhl <jesper.juhl@gmail.com>

This is the net/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in net/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>

8 files changed, 11 insertions, 20 deletions

diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c
index 13f8ae9..d0dfdfd 100644
--- a/net/sunrpc/auth_gss/gss_krb5_seal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_seal.c
@@ -143,6 +143,6 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text,
 
 	return ((ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE);
 out_err:
-	if (md5cksum.data) kfree(md5cksum.data);
+	kfree(md5cksum.data);
 	return GSS_S_FAILURE;
 }
diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c
index 2030475..db055fd 100644
--- a/net/sunrpc/auth_gss/gss_krb5_unseal.c
+++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c
@@ -176,6 +176,6 @@ gss_verify_mic_kerberos(struct gss_ctx *gss_ctx,
 
 	ret = GSS_S_COMPLETE;
 out:
-	if (md5cksum.data) kfree(md5cksum.data);
+	kfree(md5cksum.data);
 	return ret;
 }
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index b048bf67..f8bac6c 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -60,8 +60,7 @@ gss_mech_free(struct gss_api_mech *gm)
 
 	for (i = 0; i < gm->gm_pf_num; i++) {
 		pf = &gm->gm_pfs[i];
-		if (pf->auth_domain_name)
-			kfree(pf->auth_domain_name);
+		kfree(pf->auth_domain_name);
 		pf->auth_domain_name = NULL;
 	}
 }
diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c
index 148201e..d1e12b2 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_seal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c
@@ -122,8 +122,7 @@ spkm3_make_token(struct spkm3_ctx *ctx,
 
 	return  GSS_S_COMPLETE;
 out_err:
-	if (md5cksum.data) 
-		kfree(md5cksum.data);
+	kfree(md5cksum.data);
 	token->data = NULL;
 	token->len = 0;
 	return GSS_S_FAILURE;
diff --git a/net/sunrpc/auth_gss/gss_spkm3_token.c b/net/sunrpc/auth_gss/gss_spkm3_token.c
index 46c08a0..1f82457 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_token.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_token.c
@@ -259,8 +259,7 @@ spkm3_verify_mic_token(unsigned char **tokp, int *mic_hdrlen, unsigned char **ck
 
 	ret = GSS_S_COMPLETE;
 out:
-	if (spkm3_ctx_id.data)
-		kfree(spkm3_ctx_id.data);
+	kfree(spkm3_ctx_id.data);
 	return ret;
 }
 
diff --git a/net/sunrpc/auth_gss/gss_spkm3_unseal.c b/net/sunrpc/auth_gss/gss_spkm3_unseal.c
index c3c0d95..241d5b3 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_unseal.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_unseal.c
@@ -120,9 +120,7 @@ spkm3_read_token(struct spkm3_ctx *ctx,
 	/* XXX: need to add expiration and sequencing */
 	ret = GSS_S_COMPLETE;
 out:
-	if (md5cksum.data) 
-		kfree(md5cksum.data);
-	if (wire_cksum.data) 
-		kfree(wire_cksum.data);
+	kfree(md5cksum.data);
+	kfree(wire_cksum.data);
 	return ret;
 }
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 5a220b2..e4296c8 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -196,12 +196,9 @@ svc_exit_thread(struct svc_rqst *rqstp)
 	struct svc_serv	*serv = rqstp->rq_server;
 
 	svc_release_buffer(rqstp);
-	if (rqstp->rq_resp)
-		kfree(rqstp->rq_resp);
-	if (rqstp->rq_argp)
-		kfree(rqstp->rq_argp);
-	if (rqstp->rq_auth_data)
-		kfree(rqstp->rq_auth_data);
+	kfree(rqstp->rq_resp);
+	kfree(rqstp->rq_argp);
+	kfree(rqstp->rq_auth_data);
 	kfree(rqstp);
 
 	/* Release the server */
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 32df433..aaf08cdd 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -992,8 +992,7 @@ xdr_xcode_array2(struct xdr_buf *buf, unsigned int base,
 	err = 0;
 
 out:
-	if (elem)
-		kfree(elem);
+	kfree(elem);
 	if (ppages)
 		kunmap(*ppages);
 	return err;