From 9e57b302cf0f27063184196def620f39ca7a5fc6 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Mon, 20 Mar 2006 23:23:11 -0500 Subject: SUNRPC,RPCSEC_GSS: remove unnecessary kmalloc of a checksum Remove unnecessary kmalloc of temporary space to hold the md5 result; it's small enough to just put on the stack. This code may be called to process rpc's necessary to perform writes, so there's a potential deadlock whenever we kmalloc() here. After this a couple kmalloc()'s still remain, to be removed soon. This also fixes a rare double-free on error noticed by coverity. Signed-off-by: J. Bruce Fields Signed-off-by: Trond Myklebust --- net/sunrpc/auth_gss/gss_spkm3_seal.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net/sunrpc/auth_gss/gss_spkm3_seal.c') diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c index 86fbf7c3e39..18c7862bc23 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_seal.c +++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c @@ -57,7 +57,8 @@ spkm3_make_token(struct spkm3_ctx *ctx, { s32 checksum_type; char tokhdrbuf[25]; - struct xdr_netobj md5cksum = {.len = 0, .data = NULL}; + char cksumdata[16]; + struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata}; struct xdr_netobj mic_hdr = {.len = 0, .data = tokhdrbuf}; int tokenlen = 0; unsigned char *ptr; @@ -115,13 +116,11 @@ spkm3_make_token(struct spkm3_ctx *ctx, dprintk("RPC: gss_spkm3_seal: SPKM_WRAP_TOK not supported\n"); goto out_err; } - kfree(md5cksum.data); /* XXX need to implement sequence numbers, and ctx->expired */ return GSS_S_COMPLETE; out_err: - kfree(md5cksum.data); token->data = NULL; token->len = 0; return GSS_S_FAILURE; -- cgit v1.2.3