From: NeilBrown Date: Wed, 9 May 2007 09:34:52 +0000 (-0700) Subject: knfsd: rpc: fix server-side wrapping of krb5i replies X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=153e44d22fb5f98198f90fbf56e89b345e48534d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git knfsd: rpc: fix server-side wrapping of krb5i replies It's not necessarily correct to assume that the xdr_buf used to hold the server's reply must have page data whenever it has tail data. And there's no need for us to deal with that case separately anyway. Acked-by: "J. Bruce Fields" Signed-off-by: Neil Brown Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index db298b501c81..c678f5f461c6 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1196,13 +1196,7 @@ svcauth_gss_wrap_resp_integ(struct svc_rqst *rqstp) if (xdr_buf_subsegment(resbuf, &integ_buf, integ_offset, integ_len)) BUG(); - if (resbuf->page_len == 0 - && resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE - < PAGE_SIZE) { - BUG_ON(resbuf->tail[0].iov_len); - /* Use head for everything */ - resv = &resbuf->head[0]; - } else if (resbuf->tail[0].iov_base == NULL) { + if (resbuf->tail[0].iov_base == NULL) { if (resbuf->head[0].iov_len + RPC_MAX_AUTH_SIZE > PAGE_SIZE) goto out_err; resbuf->tail[0].iov_base = resbuf->head[0].iov_base