diff options
| author | iedowse <iedowse@FreeBSD.org> | 2001-11-16 22:13:44 +0000 |
|---|---|---|
| committer | iedowse <iedowse@FreeBSD.org> | 2001-11-16 22:13:44 +0000 |
| commit | 46b1ffa3a1ebc2abe2a2488df702a68d8f15d6ae (patch) | |
| tree | f5aa4730c8c33e933a46c435cc4c05b93a1a8df3 /sbin/dump | |
| parent | 4e3498d275605c3150b9dfdcece37f1e362b21a6 (diff) | |
| download | FreeBSD-src-46b1ffa3a1ebc2abe2a2488df702a68d8f15d6ae.zip FreeBSD-src-46b1ffa3a1ebc2abe2a2488df702a68d8f15d6ae.tar.gz | |
Give a sensible error message when the filesystem to be dumped is
not listed in /etc/fstab. Previously, the user would be greeted
with "DUMP: bad sblock magic number" when dump tried to parse
the directory contents as an FFS filesystem.
PR: bin/12789
Submitted by: Bob Willcox <bob@pmr.com>
Diffstat (limited to 'sbin/dump')
| -rw-r--r-- | sbin/dump/main.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sbin/dump/main.c b/sbin/dump/main.c index 0e3b3f6..eb9c232 100644 --- a/sbin/dump/main.c +++ b/sbin/dump/main.c @@ -97,6 +97,7 @@ main(argc, argv) int argc; char *argv[]; { + struct stat sb; register ino_t ino; register int dirty; register struct dinode *dp; @@ -336,10 +337,12 @@ main(argc, argv) else msgtail("to %s\n", tape); - if ((diskfd = open(disk, O_RDONLY)) < 0) { - msg("Cannot open %s\n", disk); - exit(X_STARTUP); - } + if ((diskfd = open(disk, O_RDONLY)) < 0) + err(X_STARTUP, "Cannot open %s", disk); + if (fstat(diskfd, &sb) != 0) + err(X_STARTUP, "%s: stat", disk); + if (S_ISDIR(sb.st_mode)) + errx(X_STARTUP, "%s: unknown file system", disk); sync(); sblock = (struct fs *)sblock_buf; bread(SBOFF, (char *) sblock, SBSIZE); |
