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| author | Karel Zak | 2012-09-07 13:02:42 +0200 |
|---|---|---|
| committer | Karel Zak | 2012-09-07 13:02:42 +0200 |
| commit | 17df84df275aa6ebf92dfb727a477bb8c2abe6eb (patch) | |
| tree | 723a28d4160f4550eb29fdb62a7619c8365ffdfa /sys-utils/switch_root.c | |
| parent | lib/sysfs: more robust sysfs_opendir() [coverity scan] (diff) | |
| download | kernel-qcow2-util-linux-17df84df275aa6ebf92dfb727a477bb8c2abe6eb.tar.gz kernel-qcow2-util-linux-17df84df275aa6ebf92dfb727a477bb8c2abe6eb.tar.xz kernel-qcow2-util-linux-17df84df275aa6ebf92dfb727a477bb8c2abe6eb.zip | |
switch_root: check open() return value [coverity scan]
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/switch_root.c')
| -rw-r--r-- | sys-utils/switch_root.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys-utils/switch_root.c b/sys-utils/switch_root.c index bcd801d5f..f0ef67745 100644 --- a/sys-utils/switch_root.c +++ b/sys-utils/switch_root.c @@ -154,6 +154,10 @@ static int switchroot(const char *newroot) } cfd = open("/", O_RDONLY); + if (cfd < 0) { + warn(_("cannot open %s"), "/"); + return -1; + } if (mount(newroot, "/", NULL, MS_MOVE, NULL) < 0) { close(cfd); |