We were checking by a positive return value instead of checking by -1
and errno. However when there's no support for TTY kernel returns
EOPNOTSUPP as usual, which in the end will have a return value of -1
and errno will be set to EOPNOTSUPP.
---
tools/rfcomm.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/tools/rfcomm.c b/tools/rfcomm.c
index e73b0ba..0a80670 100644
--- a/tools/rfcomm.c
+++ b/tools/rfcomm.c
@@ -182,10 +182,14 @@ static int create_dev(int ctl, int dev, uint32_t flags, bdaddr_t *bdaddr, int ar
}
err = ioctl(ctl, RFCOMMCREATEDEV, &req);
- if (err == EOPNOTSUPP)
- fprintf(stderr, "RFCOMM TTY support not available\n");
- else if (err < 0)
- perror("Can't create device");
+ if (err == -1) {
+ err = -errno;
+
+ if (err == -EOPNOTSUPP)
+ fprintf(stderr, "RFCOMM TTY support not available\n");
+ else
+ perror("Can't create device");
+ }
return err;
}
--
1.7.11.4
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