From: Sascha Wildner <saw@online.de>
Date: Sun, 8 Aug 2010 08:43:08 +0000 (+0200)
Subject: Fix panics in two syscalls, caps_sys_get(2) and caps_sys_wait(2).
X-Git-Tag: v2.9.0~588^2~3
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/53a2e712c52bdf68542c5f9cd313d14e2e7e2083

Fix panics in two syscalls, caps_sys_get(2) and caps_sys_wait(2).

Only call caps_drop() if caps != NULL.
---

diff --git a/sys/kern/lwkt_caps.c b/sys/kern/lwkt_caps.c
index d713224377..cc9321462e 100644
--- a/sys/kern/lwkt_caps.c
+++ b/sys/kern/lwkt_caps.c
@@ -886,10 +886,10 @@ sys_caps_sys_get(struct caps_sys_get_args *uap)
 	} else {
 	    error = caps_process_msg(caps, msg, uap);
 	}
+	caps_drop(caps);
     } else {
 	error = EINVAL;
     }
-    caps_drop(caps);
     rel_mplock();
     return(error);
 }
@@ -936,10 +936,10 @@ sys_caps_sys_wait(struct caps_sys_wait_args *uap)
 				    (struct caps_sys_get_args *)uap);
 	    }
 	}
+	caps_drop(caps);
     } else {
 	error = EINVAL;
     }
-    caps_drop(caps);
     rel_mplock();
     return(error);
 }