From: Derrick Brashear <shadow@dementix.org>
Date: Fri, 4 Nov 2011 15:43:01 +0000 (-0400)
Subject: ukernel: handle pioctl errors properly in ktc
X-Git-Tag: upstream/1.8.0_pre1^2~3077
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=b06c700ee40ca70ef08259af819e2a6084137457;p=packages%2Fo%2Fopenafs.git

ukernel: handle pioctl errors properly in ktc

the straight return from call_syscall isn't what we want. munge so
e.g. EDOM handling for ktc_GetToken does the right thing.

Change-Id: I3fbba799e0156bad29b27c74a1c7709ee8c50c34
Reviewed-on: http://gerrit.openafs.org/5807
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
---

diff --git a/src/auth/ktc.c b/src/auth/ktc.c
index 138a8441d..511c42b7d 100644
--- a/src/auth/ktc.c
+++ b/src/auth/ktc.c
@@ -124,7 +124,7 @@ static void ktc_LocalCell(void);
 #ifdef AFS_DUX40_ENV
 #define PIOCTL afs_pioctl
 #elif defined(UKERNEL)
-#define PIOCTL(A,B,C,D) call_syscall(AFSCALL_PIOCTL,A,B,C,D)
+#define PIOCTL(A,B,C,D) (errno = (call_syscall(AFSCALL_PIOCTL,A,B,C,D)), errno?-1:0)
 #else
 #define PIOCTL pioctl
 #endif