diff options
Diffstat (limited to 'arch/um/os-Linux/drivers/tuntap_user.c')
-rw-r--r-- | arch/um/os-Linux/drivers/tuntap_user.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c index 4b83c6c3f48d..4ba9b17adf13 100644 --- a/arch/um/os-Linux/drivers/tuntap_user.c +++ b/arch/um/os-Linux/drivers/tuntap_user.c | |||
@@ -75,7 +75,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, | |||
75 | struct msghdr msg; | 75 | struct msghdr msg; |
76 | struct cmsghdr *cmsg; | 76 | struct cmsghdr *cmsg; |
77 | struct iovec iov; | 77 | struct iovec iov; |
78 | int pid, n; | 78 | int pid, n, err; |
79 | 79 | ||
80 | sprintf(version_buf, "%d", UML_NET_VERSION); | 80 | sprintf(version_buf, "%d", UML_NET_VERSION); |
81 | 81 | ||
@@ -105,9 +105,10 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, | |||
105 | n = recvmsg(me, &msg, 0); | 105 | n = recvmsg(me, &msg, 0); |
106 | *used_out = n; | 106 | *used_out = n; |
107 | if(n < 0){ | 107 | if(n < 0){ |
108 | err = -errno; | ||
108 | printk("tuntap_open_tramp : recvmsg failed - errno = %d\n", | 109 | printk("tuntap_open_tramp : recvmsg failed - errno = %d\n", |
109 | errno); | 110 | errno); |
110 | return(-errno); | 111 | return err; |
111 | } | 112 | } |
112 | CATCH_EINTR(waitpid(pid, NULL, 0)); | 113 | CATCH_EINTR(waitpid(pid, NULL, 0)); |
113 | 114 | ||
@@ -147,9 +148,10 @@ static int tuntap_open(void *data) | |||
147 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; | 148 | ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
148 | strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name)); | 149 | strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name)); |
149 | if(ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0){ | 150 | if(ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0){ |
151 | err = -errno; | ||
150 | printk("TUNSETIFF failed, errno = %d\n", errno); | 152 | printk("TUNSETIFF failed, errno = %d\n", errno); |
151 | os_close_file(pri->fd); | 153 | os_close_file(pri->fd); |
152 | return(-errno); | 154 | return err; |
153 | } | 155 | } |
154 | } | 156 | } |
155 | else { | 157 | else { |