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| author | Kevin Cernekee <cernekee@gmail.com> | 2011-07-13 09:30:36 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2011-07-13 09:30:36 +0200 |
| commit | 43a668b2eef5f77d1fe0bee1289cea6649fa793d (patch) | |
| tree | 08196434e6f758e15e77ee6cbf7f82213e926bbd /shell/cttyhack.c | |
| parent | 064e99646a233240e91f453ba49f6baeab7c2c70 (diff) | |
| download | busybox-43a668b2eef5f77d1fe0bee1289cea6649fa793d.tar.gz | |
cttyhack: fail gracefully if the device node is missing
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/cttyhack.c')
| -rw-r--r-- | shell/cttyhack.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/shell/cttyhack.c b/shell/cttyhack.c index 522a1ba73..4261289b4 100644 --- a/shell/cttyhack.c +++ b/shell/cttyhack.c @@ -146,7 +146,9 @@ int cttyhack_main(int argc UNUSED_PARAM, char **argv) goto ret; } while (0); - fd = xopen(console, O_RDWR); + fd = open_or_warn(console, O_RDWR); + if (fd < 0) + goto ret; //bb_error_msg("switching to '%s'", console); dup2(fd, 0); dup2(fd, 1); |