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https://bugs.gentoo.org/403073
From 1653dd95c3babbf7011d9732069af919e493bac4 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 16 Feb 2012 14:56:38 -0500
Subject: [PATCH] umount: respect fs search path
This brings search path support to umount to match existing behavior
in fsck and mount.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
mount/umount.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/mount/umount.c b/mount/umount.c
index ad93e75..a6fcd33 100644
--- a/mount/umount.c
+++ b/mount/umount.c
@@ -100,7 +100,8 @@ static int fake = 0;
static int
check_special_umountprog(const char *node,
const char *type, int *status) {
- char umountprog[120];
+ char search_path[] = FS_SEARCH_PATH;
+ char *path, umountprog[150];
struct stat statbuf;
int res;
@@ -110,10 +111,16 @@ check_special_umountprog(const char *node,
if (type == NULL || strcmp(type, "none") == 0)
return 0;
- if (strlen(type) < 100) {
+ path = strtok(search_path, ":");
+ while (path) {
int type_opt = 0;
- sprintf(umountprog, "/sbin/umount.%s", type);
+ res = snprintf(umountprog, sizeof(umountprog), "%s/umount.%s",
+ path, type);
+ path = strtok(NULL, ":");
+ if (res < 0 || (size_t) res >= sizeof(umountprog))
+ continue;
+
res = stat(umountprog, &statbuf);
if (res == -1 && errno == ENOENT && strchr(type, '.')) {
/* If type ends with ".subtype" try without it */
--
1.7.8.4
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