X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fscm.c;h=9adabedaf8ada06665674e5243c16f022e128b2d;hb=f63b2b3204ea962e9cc34a223771ec973694f8bf;hp=ff52ad0a51501c98891401d6e29f18dfab80ade9;hpb=e0d65113a70f1dc514e625cc4e7a7485a4bf72df;p=pandora-kernel.git

diff --git a/net/core/scm.c b/net/core/scm.c
index ff52ad0a5150..9adabedaf8ad 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -80,6 +80,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
 		*fplp = fpl;
 		fpl->count = 0;
 		fpl->max = SCM_MAX_FD;
+		fpl->user = NULL;
 	}
 	fpp = &fpl->fp[fpl->count];
 
@@ -100,6 +101,10 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
 		*fpp++ = file;
 		fpl->count++;
 	}
+
+	if (!fpl->user)
+		fpl->user = get_uid(current_user());
+
 	return num;
 }
 
@@ -124,6 +129,7 @@ void __scm_destroy(struct scm_cookie *scm)
 				list_del(&fpl->list);
 				for (i=fpl->count-1; i>=0; i--)
 					fput(fpl->fp[i]);
+				free_uid(fpl->user);
 				kfree(fpl);
 			}
 
@@ -311,6 +317,8 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
 			err = put_user(cmlen, &cm->cmsg_len);
 		if (!err) {
 			cmlen = CMSG_SPACE(i*sizeof(int));
+			if (msg->msg_controllen < cmlen)
+				cmlen = msg->msg_controllen;
 			msg->msg_control += cmlen;
 			msg->msg_controllen -= cmlen;
 		}
@@ -340,6 +348,7 @@ struct scm_fp_list *scm_fp_dup(struct scm_fp_list *fpl)
 		for (i = 0; i < fpl->count; i++)
 			get_file(fpl->fp[i]);
 		new_fpl->max = new_fpl->count;
+		new_fpl->user = get_uid(fpl->user);
 	}
 	return new_fpl;
 }