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path: root/arch/um/drivers/pcap_user.c
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Diffstat (limited to 'arch/um/drivers/pcap_user.c')
-rw-r--r--arch/um/drivers/pcap_user.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c
index dc0a903ef9a..483aa15222a 100644
--- a/arch/um/drivers/pcap_user.c
+++ b/arch/um/drivers/pcap_user.c
@@ -13,6 +13,7 @@
#include "pcap_user.h"
#include "user.h"
#include "um_malloc.h"
+#include "kern_constants.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
@@ -26,8 +27,8 @@ static int pcap_user_init(void *data, void *dev)
p = pcap_open_live(pri->host_if, MAX_PACKET, pri->promisc, 0, errors);
if(p == NULL){
- printk("pcap_user_init : pcap_open_live failed - '%s'\n",
- errors);
+ printk(UM_KERN_ERR "pcap_user_init : pcap_open_live failed - "
+ "'%s'\n", errors);
return -EINVAL;
}
@@ -48,13 +49,13 @@ static int pcap_open(void *data)
if(pri->filter != NULL){
err = dev_netmask(pri->dev, &netmask);
if(err < 0){
- printk("pcap_open : dev_netmask failed\n");
+ printk(UM_KERN_ERR "pcap_open : dev_netmask failed\n");
return -EIO;
}
pri->compiled = um_kmalloc(sizeof(struct bpf_program));
if(pri->compiled == NULL){
- printk("pcap_open : kmalloc failed\n");
+ printk(UM_KERN_ERR "pcap_open : kmalloc failed\n");
return -ENOMEM;
}
@@ -62,15 +63,15 @@ static int pcap_open(void *data)
(struct bpf_program *) pri->compiled,
pri->filter, pri->optimize, netmask);
if(err < 0){
- printk("pcap_open : pcap_compile failed - '%s'\n",
- pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_open : pcap_compile failed - "
+ "'%s'\n", pcap_geterr(pri->pcap));
return -EIO;
}
err = pcap_setfilter(pri->pcap, pri->compiled);
if(err < 0){
- printk("pcap_open : pcap_setfilter failed - '%s'\n",
- pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_open : pcap_setfilter "
+ "failed - '%s'\n", pcap_geterr(pri->pcap));
return -EIO;
}
}
@@ -85,7 +86,8 @@ static void pcap_remove(void *data)
if(pri->compiled != NULL)
pcap_freecode(pri->compiled);
- pcap_close(pri->pcap);
+ if(pri->pcap != NULL)
+ pcap_close(pri->pcap);
}
struct pcap_handler_data {
@@ -114,7 +116,8 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri)
n = pcap_dispatch(pri->pcap, 1, handler, (u_char *) &hdata);
if(n < 0){
- printk("pcap_dispatch failed - %s\n", pcap_geterr(pri->pcap));
+ printk(UM_KERN_ERR "pcap_dispatch failed - %s\n",
+ pcap_geterr(pri->pcap));
return -EIO;
}
else if(n == 0)