From: Mike Frysinger <vapier@gentoo.org>
Date: Wed, 4 Jan 2006 07:31:19 +0000 (-0000)
Subject: use MAP_PRIVATE instead of MAP_SHARED for uClinux systems (see Bug 550)
X-Git-Tag: 1_1_0~377
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5990efb7957818427d865dc13f28b87b7ff27508;p=oweals%2Fbusybox.git

use MAP_PRIVATE instead of MAP_SHARED for uClinux systems (see Bug 550)
---

diff --git a/archival/rpm.c b/archival/rpm.c
index 9d16567bc..32d506de0 100644
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -143,7 +143,7 @@ int rpm_main(int argc, char **argv)
 		mytags = rpm_gettags(rpm_fd, (int *) &tagcount);
 		offset = lseek(rpm_fd, 0, SEEK_CUR);
 		if (!mytags) { printf("Error reading rpm header\n"); exit(-1); }
-		map = mmap(0, offset > getpagesize() ? (offset + offset % getpagesize()) : getpagesize(), PROT_READ, MAP_SHARED, rpm_fd, 0); // Mimimum is one page
+		map = mmap(0, offset > getpagesize() ? (offset + offset % getpagesize()) : getpagesize(), PROT_READ, MAP_PRIVATE, rpm_fd, 0); // Mimimum is one page
 		if (func & rpm_install) {
 			loop_through_files(RPMTAG_BASENAMES, fileaction_dobackup); /* Backup any config files */
 			extract_cpio_gz(rpm_fd); // Extact the archive
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 830939b92..d414c0c10 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -68,7 +68,7 @@ static void make_device(char *path)
 		/* mmap the config file */
 		if (-1!=(fd=open("/etc/mdev.conf",O_RDONLY))) {
 			len=lseek(fd,0,SEEK_END);
-			conf=mmap(NULL,len,PROT_READ,MAP_SHARED,fd,0);
+			conf=mmap(NULL,len,PROT_READ,MAP_PRIVATE,fd,0);
 			if (conf) {
 				int line=0;