From: Karel Zak <kzak@redhat.com>
Date: Mon, 24 Mar 2014 10:26:21 +0000 (+0100)
Subject: flock: use nfs4 fallback on EBADF too
X-Git-Tag: v2.25-rc1~408
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=caf1ba11a367ad702fb774653daf9ebdcca49d7b;p=thirdparty%2Futil-linux.git

flock: use nfs4 fallback on EBADF too

The kernel regression (probably v3.4, commit 55725513) introduces a
new errno for O_RDONLY on NFS. Now it returns EBADF rather than EIO.

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1078618
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/flock.c b/sys-utils/flock.c
index 1a1091ded1..f160eaca52 100644
--- a/sys-utils/flock.c
+++ b/sys-utils/flock.c
@@ -250,6 +250,7 @@ int main(int argc, char *argv[])
 			/* otherwise try again */
 			continue;
 		case EIO:
+		case EBADF:		/* since Linux 3.4 (commit 55725513) */
 			/* Probably NFSv4 where flock() is emulated by fcntl().
 			 * Let's try to reopen in read-write mode.
 			 */