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Fix my last commit. Only call strunvis after properly checking the argument is

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not NULL.
This commit is contained in:
Stefan Farfeleder 2012-10-11 08:18:28 +00:00
parent da0878836b
commit 1dcbb99523
1 changed files with 7 additions and 5 deletions
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12
lib/libc/gen/fstab.c
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@ -150,16 +150,18 @@ fstabscan(void)
/* OLD_STYLE_FSTAB */
while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0')
;
if (strunvis(cp, cp) < 0)
goto bad;
_fs_fstab.fs_spec = cp;
if (!_fs_fstab.fs_spec || *_fs_fstab.fs_spec == '#')
if (_fs_fstab.fs_spec == NULL || *_fs_fstab.fs_spec == '#')
continue;
if (strunvis(_fs_fstab.fs_spec, _fs_fstab.fs_spec) < 0)
goto bad;
while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0')
;
if (strunvis(cp, cp) < 0)
goto bad;
_fs_fstab.fs_file = cp;
if (_fs_fstab.fs_file == NULL)
goto bad;
if (strunvis(_fs_fstab.fs_file, _fs_fstab.fs_file) < 0)
goto bad;
fixfsfile();
while ((cp = strsep(&p, " \t\n")) != NULL && *cp == '\0')
;