diff options
Diffstat (limited to 'arch/um/os-Linux')
| -rw-r--r-- | arch/um/os-Linux/drivers/ethertap_user.c | 2 | ||||
| -rw-r--r-- | arch/um/os-Linux/drivers/tuntap_user.c | 6 | ||||
| -rw-r--r-- | arch/um/os-Linux/file.c | 1 | ||||
| -rw-r--r-- | arch/um/os-Linux/signal.c | 8 | ||||
| -rw-r--r-- | arch/um/os-Linux/skas/mem.c | 6 | ||||
| -rw-r--r-- | arch/um/os-Linux/skas/process.c | 8 |
6 files changed, 17 insertions, 14 deletions
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c index b39b6696a..6d4918246 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) { - strcpy(gate_buf, gate); + strncpy(gate_buf, gate, 15); args = setup_args; } else args = nosetup_args; diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c index 14126d917..c2e6e1dad 100644 --- a/arch/um/os-Linux/drivers/tuntap_user.c +++ b/arch/um/os-Linux/drivers/tuntap_user.c @@ -47,7 +47,7 @@ static void tuntap_del_addr(unsigned char *addr, unsigned char *netmask, } struct tuntap_pre_exec_data { - int stdout; + int stdout_fd; int close_me; }; @@ -55,7 +55,7 @@ static void tuntap_pre_exec(void *arg) { struct tuntap_pre_exec_data *data = arg; - dup2(data->stdout, 1); + dup2(data->stdout_fd, 1); close(data->close_me); } @@ -74,7 +74,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, sprintf(version_buf, "%d", UML_NET_VERSION); - data.stdout = remote; + data.stdout_fd = remote; data.close_me = me; pid = run_helper(tuntap_pre_exec, &data, argv); diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c index 08d90fba9..26e016489 100644 --- a/arch/um/os-Linux/file.c +++ b/arch/um/os-Linux/file.c @@ -13,6 +13,7 @@ #include <sys/socket.h> #include <sys/stat.h> #include <sys/un.h> +#include <sys/types.h> #include <os.h> static void copy_stat(struct uml_stat *dst, const struct stat64 *src) diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 7b605e4df..036d0dbc7 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -112,9 +112,11 @@ void timer_init(void) void set_sigstack(void *sig_stack, int size) { - stack_t stack = ((stack_t) { .ss_flags = 0, - .ss_sp = (__ptr_t) sig_stack, - .ss_size = size - sizeof(void *) }); + stack_t stack = { + .ss_flags = 0, + .ss_sp = sig_stack, + .ss_size = size - sizeof(void *) + }; if (sigaltstack(&stack, NULL) != 0) panic("enabling signal stack failed, errno = %d\n", errno); diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index e7f8c945a..35015e3e1 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -18,7 +18,7 @@ #include <sysdep/ptrace.h> #include <sysdep/stub.h> -extern unsigned long batch_syscall_stub, __syscall_stub_start; +extern char batch_syscall_stub[], __syscall_stub_start[]; extern void wait_stub_done(int pid); @@ -38,8 +38,8 @@ static int __init init_syscall_regs(void) { get_safe_registers(syscall_regs, NULL); syscall_regs[REGS_IP_INDEX] = STUB_CODE + - ((unsigned long) &batch_syscall_stub - - (unsigned long) &__syscall_stub_start); + ((unsigned long) batch_syscall_stub - + (unsigned long) __syscall_stub_start); return 0; } diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 7a9777570..3dddedba3 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -174,7 +174,7 @@ static void handle_trap(int pid, struct uml_pt_regs *regs, handle_syscall(regs); } -extern int __syscall_stub_start; +extern char __syscall_stub_start[]; static int userspace_tramp(void *stack) { @@ -197,7 +197,7 @@ static int userspace_tramp(void *stack) * This has a pte, but it can't be mapped in with the usual * tlb_flush mechanism because this is part of that mechanism */ - fd = phys_mapping(to_phys(&__syscall_stub_start), &offset); + fd = phys_mapping(to_phys(__syscall_stub_start), &offset); addr = mmap64((void *) STUB_CODE, UM_KERN_PAGE_SIZE, PROT_EXEC, MAP_FIXED | MAP_PRIVATE, fd, offset); if (addr == MAP_FAILED) { @@ -223,7 +223,7 @@ static int userspace_tramp(void *stack) unsigned long v = STUB_CODE + (unsigned long) stub_segv_handler - - (unsigned long) &__syscall_stub_start; + (unsigned long) __syscall_stub_start; set_sigstack((void *) STUB_DATA, UM_KERN_PAGE_SIZE); sigemptyset(&sa.sa_mask); @@ -447,7 +447,7 @@ static int __init init_thread_regs(void) /* Set parent's instruction pointer to start of clone-stub */ thread_regs[REGS_IP_INDEX] = STUB_CODE + (unsigned long) stub_clone_handler - - (unsigned long) &__syscall_stub_start; + (unsigned long) __syscall_stub_start; thread_regs[REGS_SP_INDEX] = STUB_DATA + UM_KERN_PAGE_SIZE - sizeof(void *); #ifdef __SIGNAL_FRAMESIZE |