um: Some fixes to build UML with musl

musl toolchain and headers are a bit more strict. These fixes enable building
UML with musl as well as seem not to break on glibc.

Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Ignat Korchagin 2020-07-19 22:02:21 +01:00 committed by Richard Weinberger
parent e4e721fe4c
commit 5e1121cd43
6 changed files with 11 additions and 12 deletions

View File

@ -7,6 +7,7 @@
*/
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>

View File

@ -32,7 +32,7 @@ static int pcap_user_init(void *data, void *dev)
return 0;
}
static int pcap_open(void *data)
static int pcap_user_open(void *data)
{
struct pcap_data *pri = data;
__u32 netmask;
@ -44,14 +44,14 @@ static int pcap_open(void *data)
if (pri->filter != NULL) {
err = dev_netmask(pri->dev, &netmask);
if (err < 0) {
printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n");
printk(UM_KERN_ERR "pcap_user_open : dev_netmask failed\n");
return -EIO;
}
pri->compiled = uml_kmalloc(sizeof(struct bpf_program),
UM_GFP_KERNEL);
if (pri->compiled == NULL) {
printk(UM_KERN_ERR "pcap_open : kmalloc failed\n");
printk(UM_KERN_ERR "pcap_user_open : kmalloc failed\n");
return -ENOMEM;
}
@ -59,14 +59,14 @@ static int pcap_open(void *data)
(struct bpf_program *) pri->compiled,
pri->filter, pri->optimize, netmask);
if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_compile failed - "
printk(UM_KERN_ERR "pcap_user_open : pcap_compile failed - "
"'%s'\n", pcap_geterr(pri->pcap));
goto out;
}
err = pcap_setfilter(pri->pcap, pri->compiled);
if (err < 0) {
printk(UM_KERN_ERR "pcap_open : pcap_setfilter "
printk(UM_KERN_ERR "pcap_user_open : pcap_setfilter "
"failed - '%s'\n", pcap_geterr(pri->pcap));
goto out;
}
@ -127,7 +127,7 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri)
const struct net_user_info pcap_user_info = {
.init = pcap_user_init,
.open = pcap_open,
.open = pcap_user_open,
.close = NULL,
.remove = pcap_remove,
.add_address = NULL,

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@ -9,7 +9,7 @@
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/termios.h>
#include <termios.h>
#include <sys/wait.h>
#include <net_user.h>
#include <os.h>

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@ -18,9 +18,7 @@
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <net/ethernet.h>
#include <netinet/ip.h>
#include <netinet/ether.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <sys/wait.h>
@ -332,7 +330,7 @@ static struct vector_fds *user_init_unix_fds(struct arglist *ifspec, int id)
}
switch (id) {
case ID_BESS:
if (connect(fd, remote_addr, sizeof(struct sockaddr_un)) < 0) {
if (connect(fd, (const struct sockaddr *) remote_addr, sizeof(struct sockaddr_un)) < 0) {
printk(UM_KERN_ERR "bess open:cannot connect to %s %i", remote_addr->sun_path, -errno);
goto unix_cleanup;
}

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@ -10,7 +10,7 @@
#include <signal.h>
#include <string.h>
#include <termios.h>
#include <wait.h>
#include <sys/wait.h>
#include <sys/mman.h>
#include <sys/utsname.h>
#include <init.h>

View File

@ -2,7 +2,7 @@
#include <stdio.h>
#include <stddef.h>
#include <signal.h>
#include <sys/poll.h>
#include <poll.h>
#include <sys/mman.h>
#include <sys/user.h>
#define __FRAME_OFFSETS