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Add error message for missing /etc/mtab

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The zpool command should not silently fail when the /etc/mtab
file does not exist.  This can occur in an initramfs environment
when the /etc/mtab file hasn't yet been generated.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1541
This commit is contained in:
Aaron Fineman 2013-06-27 15:19:25 -04:00 committed by Brian Behlendorf
parent c12936b141
commit bbb75c1190
1 changed files with 2 additions and 0 deletions
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2
lib/libzfs/libzfs_util.c
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@ -704,6 +704,8 @@ libzfs_init(void)
if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) { if ((hdl->libzfs_mnttab = fopen(MNTTAB, "r")) == NULL) {
#endif #endif
(void) close(hdl->libzfs_fd); (void) close(hdl->libzfs_fd);
(void) fprintf(stderr,
gettext("mtab is not present at %s.\n"), MNTTAB);
free(hdl); free(hdl);
return (NULL); return (NULL);
} }