From: Pavel Semerad <semerad@ss1000.ms.mff.cuni.cz>
Date: Mon, 23 Apr 2001 04:16:33 +0000 (+0000)
Subject: STABLE10-fix-locking-on-linux-sparc64-20010422
X-Git-Tag: openafs-stable-1_0_4~100
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=b125a6599ee9170b3395103eaf1fb5264c708b40;p=packages%2Fo%2Fopenafs.git

STABLE10-fix-locking-on-linux-sparc64-20010422

" I have found problem with file locking and 64bit linux (tested on
ultrasparc). When issued fcntl(fd, f_SETLK, ..) with l_start = 0 and l_len
= 0, it sets l_len to LONG_MAX, so it is needed to test this value"
---

diff --git a/src/afs/VNOPS/afs_vnop_flock.c b/src/afs/VNOPS/afs_vnop_flock.c
index 518186300..116cd08b4 100644
--- a/src/afs/VNOPS/afs_vnop_flock.c
+++ b/src/afs/VNOPS/afs_vnop_flock.c
@@ -536,6 +536,10 @@ struct AFS_UCRED *acred; {
 	   this way at least, they can get work done */
 	if (af->l_len == 0x7fffffff)
 	    af->l_len = 0;	/* since some systems indicate it as EOF */
+#ifdef AFS_LINUX_64BIT_KERNEL
+	if (af->l_len == LONG_MAX)
+	    af->l_len = 0;      /* since some systems indicate it as EOF */
+#endif
 	/* next line makes byte range locks always succeed,
 	   even when they should block */
 	if (af->l_whence != 0 || af->l_start != 0 || af->l_len != 0) {