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-rw-r--r--arch/um/os-Linux/drivers/ethertap_kern.c2
-rw-r--r--arch/um/os-Linux/drivers/ethertap_user.c2
-rw-r--r--arch/um/os-Linux/drivers/tuntap_kern.c2
-rw-r--r--arch/um/os-Linux/drivers/tuntap_user.c2
-rw-r--r--arch/um/os-Linux/elf_aux.c1
-rw-r--r--arch/um/os-Linux/internal.h20
-rw-r--r--arch/um/os-Linux/main.c8
-rw-r--r--arch/um/os-Linux/mem.c2
-rw-r--r--arch/um/os-Linux/signal.c4
-rw-r--r--arch/um/os-Linux/skas/mem.c3
-rw-r--r--arch/um/os-Linux/skas/process.c1
-rw-r--r--arch/um/os-Linux/start_up.c4
-rw-r--r--arch/um/os-Linux/umid.c6
13 files changed, 42 insertions, 15 deletions
diff --git a/arch/um/os-Linux/drivers/ethertap_kern.c b/arch/um/os-Linux/drivers/ethertap_kern.c
index 3182e759d8de..5e5ee40680ce 100644
--- a/arch/um/os-Linux/drivers/ethertap_kern.c
+++ b/arch/um/os-Linux/drivers/ethertap_kern.c
@@ -63,7 +63,7 @@ const struct net_kern_info ethertap_kern_info = {
.write = etap_write,
};
-int ethertap_setup(char *str, char **mac_out, void *data)
+static int ethertap_setup(char *str, char **mac_out, void *data)
{
struct ethertap_init *init = data;
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 3363851a4ae8..bdf215c0eca7 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -105,7 +105,7 @@ static int etap_tramp(char *dev, char *gate, int control_me,
sprintf(data_fd_buf, "%d", data_remote);
sprintf(version_buf, "%d", UML_NET_VERSION);
if (gate != NULL) {
- strscpy(gate_buf, gate, sizeof(gate_buf));
+ strscpy(gate_buf, gate);
args = setup_args;
}
else args = nosetup_args;
diff --git a/arch/um/os-Linux/drivers/tuntap_kern.c b/arch/um/os-Linux/drivers/tuntap_kern.c
index adcb6717be6f..ff022d9cf0dd 100644
--- a/arch/um/os-Linux/drivers/tuntap_kern.c
+++ b/arch/um/os-Linux/drivers/tuntap_kern.c
@@ -53,7 +53,7 @@ const struct net_kern_info tuntap_kern_info = {
.write = tuntap_write,
};
-int tuntap_setup(char *str, char **mac_out, void *data)
+static int tuntap_setup(char *str, char **mac_out, void *data)
{
struct tuntap_init *init = data;
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index 2284e9c1cbbb..91f0e27ca3a6 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -146,7 +146,7 @@ static int tuntap_open(void *data)
}
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- strscpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name));
+ strscpy(ifr.ifr_name, pri->dev_name);
if (ioctl(pri->fd, TUNSETIFF, &ifr) < 0) {
err = -errno;
printk(UM_KERN_ERR "TUNSETIFF failed, errno = %d\n",
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 344ac403fb5d..0a0f91cf4d6d 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -13,6 +13,7 @@
#include <init.h>
#include <elf_user.h>
#include <mem_user.h>
+#include "internal.h"
typedef Elf32_auxv_t elf_auxv_t;
diff --git a/arch/um/os-Linux/internal.h b/arch/um/os-Linux/internal.h
new file mode 100644
index 000000000000..317fca190c2b
--- /dev/null
+++ b/arch/um/os-Linux/internal.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __UM_OS_LINUX_INTERNAL_H
+#define __UM_OS_LINUX_INTERNAL_H
+
+/*
+ * elf_aux.c
+ */
+void scan_elf_aux(char **envp);
+
+/*
+ * mem.c
+ */
+void check_tmpexec(void);
+
+/*
+ * skas/process.c
+ */
+void wait_stub_done(int pid);
+
+#endif /* __UM_OS_LINUX_INTERNAL_H */
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index c8a42ecbd7a2..f98ff79cdbf7 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -16,6 +16,7 @@
#include <kern_util.h>
#include <os.h>
#include <um_malloc.h>
+#include "internal.h"
#define PGD_BOUND (4 * 1024 * 1024)
#define STACKSIZE (8 * 1024 * 1024)
@@ -102,8 +103,6 @@ static void setup_env_path(void)
}
}
-extern void scan_elf_aux( char **envp);
-
int __init main(int argc, char **argv, char **envp)
{
char **new_argv;
@@ -184,6 +183,11 @@ int __init main(int argc, char **argv, char **envp)
extern void *__real_malloc(int);
+/* workaround for -Wmissing-prototypes warnings */
+void *__wrap_malloc(int size);
+void *__wrap_calloc(int n, int size);
+void __wrap_free(void *ptr);
+
void *__wrap_malloc(int size)
{
void *ret;
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 8530b2e08604..cf44d386f23c 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -15,7 +15,9 @@
#include <sys/vfs.h>
#include <linux/magic.h>
#include <init.h>
+#include <kern_util.h>
#include <os.h>
+#include "internal.h"
/*
* kasan_map_memory - maps memory from @start with a size of @len.
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 24a403a70a02..787cfb9a0308 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -72,7 +72,7 @@ static int signals_blocked;
static unsigned int signals_pending;
static unsigned int signals_active = 0;
-void sig_handler(int sig, struct siginfo *si, mcontext_t *mc)
+static void sig_handler(int sig, struct siginfo *si, mcontext_t *mc)
{
int enabled = signals_enabled;
@@ -108,7 +108,7 @@ static void timer_real_alarm_handler(mcontext_t *mc)
timer_handler(SIGALRM, NULL, &regs);
}
-void timer_alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc)
+static void timer_alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc)
{
int enabled;
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index 953fb10f3f93..1f9c1bffc3a6 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -17,11 +17,10 @@
#include <skas.h>
#include <sysdep/ptrace.h>
#include <sysdep/stub.h>
+#include "../internal.h"
extern char batch_syscall_stub[], __syscall_stub_start[];
-extern void wait_stub_done(int pid);
-
static inline unsigned long *check_init_stack(struct mm_id * mm_idp,
unsigned long *stack)
{
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 1f5c3f2523d1..41a288dcfc34 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -23,6 +23,7 @@
#include <skas.h>
#include <sysdep/stub.h>
#include <linux/threads.h>
+#include "../internal.h"
int is_skas_winch(int pid, int fd, void *data)
{
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 8b0e98ab842c..89ad9f4f865c 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -20,10 +20,12 @@
#include <asm/unistd.h>
#include <init.h>
#include <os.h>
+#include <kern_util.h>
#include <mem_user.h>
#include <ptrace_user.h>
#include <registers.h>
#include <skas.h>
+#include "internal.h"
static void ptrace_child(void)
{
@@ -221,8 +223,6 @@ static void __init check_ptrace(void)
check_sysemu();
}
-extern void check_tmpexec(void);
-
static void __init check_coredump_limit(void)
{
struct rlimit lim;
diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index 288c422bfa96..e09d65b05d1c 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -40,7 +40,7 @@ static int __init make_uml_dir(void)
__func__);
goto err;
}
- strscpy(dir, home, sizeof(dir));
+ strscpy(dir, home);
uml_dir++;
}
strlcat(dir, uml_dir, sizeof(dir));
@@ -243,7 +243,7 @@ int __init set_umid(char *name)
if (strlen(name) > UMID_LEN - 1)
return -E2BIG;
- strscpy(umid, name, sizeof(umid));
+ strscpy(umid, name);
return 0;
}
@@ -262,7 +262,7 @@ static int __init make_umid(void)
make_uml_dir();
if (*umid == '\0') {
- strscpy(tmp, uml_dir, sizeof(tmp));
+ strscpy(tmp, uml_dir);
strlcat(tmp, "XXXXXX", sizeof(tmp));
fd = mkstemp(tmp);
if (fd < 0) {
generated by cgit (git 2.34.1) at 2024-06-10 22:35:16 +0000