From: Jeremy Huddleston <jeremyhu@apple.com>
Date: Tue, 11 Oct 2011 17:22:49 +0000 (-0700)
Subject: linux sysfs: Fix read-write access in map_legacy
X-Git-Tag: libpciaccess-0.12.902~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=af4478c52c960bee08209293aa14b784ac30dc05;p=platform%2Fupstream%2Flibpciaccess.git

linux sysfs: Fix read-write access in map_legacy

O_RDONLY | O_WRONLY != O_RDWR

><

Reported-by: Javier Pello <javier.pello@urjc.es>
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
---

diff --git a/src/linux_sysfs.c b/src/linux_sysfs.c
index 876abb1..d5ba66a 100644
--- a/src/linux_sysfs.c
+++ b/src/linux_sysfs.c
@@ -851,7 +851,7 @@ pci_device_linux_sysfs_map_legacy(struct pci_device *dev, pciaddr_t base,
     int ret=0;
 
     if (map_flags & PCI_DEV_MAP_FLAG_WRITABLE) {
-	flags |= O_WRONLY;
+	flags = O_RDWR; /* O_RDWR != O_WRONLY | O_RDONLY */;
 	prot |= PROT_WRITE;
     }