[PATCH] uml: compile fixes for gcc 4
This is a bunch of compile fixes provoked by building UML with gcc 4. There
are a bunch of signedness mismatches, a couple of uninitialized references,
and a botched C99 structure initialization which had somehow gone unnoticed.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 583b8e1..96f3a47 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -168,7 +168,7 @@
printk("winch_tramp : failed to read synchronization byte\n");
printk("read failed, err = %d\n", -n);
printk("fd %d will not support SIGWINCH\n", fd);
- *fd_out = -1;
+ pid = -1;
}
return(pid);
}
@@ -186,7 +186,7 @@
if(!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd,
tty) && (pid == -1)){
thread = winch_tramp(fd, tty, &thread_fd);
- if(fd != -1){
+ if(thread > 0){
register_winch_irq(thread_fd, fd, thread, tty);
count = os_write_file(thread_fd, &c, sizeof(c));
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 47229fe..3730d4f 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -32,7 +32,7 @@
return(0);
}
-void tap_check_ips(char *gate_addr, char *eth_addr)
+void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
{
int tap_addr[4];
diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
index 495f2f1..d523618 100644
--- a/arch/um/drivers/slip.h
+++ b/arch/um/drivers/slip.h
@@ -12,8 +12,8 @@
char *addr;
char *gate_addr;
int slave;
- char ibuf[ENC_BUF_SIZE];
- char obuf[ENC_BUF_SIZE];
+ unsigned char ibuf[ENC_BUF_SIZE];
+ unsigned char obuf[ENC_BUF_SIZE];
int more; /* more data: do not read fd until ibuf has been drained */
int pos;
int esc;
diff --git a/arch/um/drivers/slip_proto.h b/arch/um/drivers/slip_proto.h
index 7206361..4c4d94a 100644
--- a/arch/um/drivers/slip_proto.h
+++ b/arch/um/drivers/slip_proto.h
@@ -12,7 +12,8 @@
#define SLIP_ESC_END 0334 /* ESC ESC_END means END 'data' */
#define SLIP_ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */
-static inline int slip_unesc(unsigned char c,char *buf,int *pos, int *esc)
+static inline int slip_unesc(unsigned char c, unsigned char *buf, int *pos,
+ int *esc)
{
int ret;
diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index 04e407d..afa4e30 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -24,8 +24,8 @@
struct arg_list_dummy_wrapper argw;
int pid;
int slave;
- char ibuf[ENC_BUF_SIZE];
- char obuf[ENC_BUF_SIZE];
+ unsigned char ibuf[ENC_BUF_SIZE];
+ unsigned char obuf[ENC_BUF_SIZE];
int more; /* more data: do not read fd until ibuf has been drained */
int pos;
int esc;
diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c
index 98565b5..429ae8e 100644
--- a/arch/um/drivers/stderr_console.c
+++ b/arch/um/drivers/stderr_console.c
@@ -22,9 +22,9 @@
}
static struct console stderr_console = {
- .name "stderr",
- .write stderr_console_write,
- .flags CON_PRINTBUFFER,
+ .name = "stderr",
+ .write = stderr_console_write,
+ .flags = CON_PRINTBUFFER,
};
static int __init stderr_console_init(void)
diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h
index 9fbe308..cfa368e 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -56,7 +56,7 @@
int as_interrupt;
int originating_fd;
- int originlen;
+ unsigned int originlen;
unsigned char origin[128]; /* sockaddr_un */
struct mconsole_request request;
diff --git a/arch/um/include/net_user.h b/arch/um/include/net_user.h
index 36807b7..89885a7 100644
--- a/arch/um/include/net_user.h
+++ b/arch/um/include/net_user.h
@@ -35,7 +35,7 @@
extern void free_output_buffer(void *buffer);
extern int tap_open_common(void *dev, char *gate_addr);
-extern void tap_check_ips(char *gate_addr, char *eth_addr);
+extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr);
extern void read_output(int fd, char *output_out, int len);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index d246d5a..881d298 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -136,7 +136,7 @@
extern int os_open_file(char *file, struct openflags flags, int mode);
extern int os_read_file(int fd, void *buf, int len);
extern int os_write_file(int fd, const void *buf, int count);
-extern int os_file_size(char *file, long long *size_out);
+extern int os_file_size(char *file, unsigned long long *size_out);
extern int os_file_modtime(char *file, unsigned long *modtime);
extern int os_pipe(int *fd, int stream, int close_on_exec);
extern int os_set_fd_async(int fd, int owner);
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index b8c5b8a..7b6a24d 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -41,9 +41,6 @@
extern char host_info[];
extern char saved_command_line[];
-extern char command_line[];
-
-extern char *tempdir;
extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
extern unsigned long _unprotected_end;
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 9aee0b6..f0d6060 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -45,7 +45,11 @@
elf_aux_hwcap = auxv->a_un.a_val;
break;
case AT_PLATFORM:
- elf_aux_platform = auxv->a_un.a_ptr;
+ /* elf.h removed the pointer elements from
+ * a_un, so we have to use a_val, which is
+ * all that's left.
+ */
+ elf_aux_platform = (char *) auxv->a_un.a_val;
break;
case AT_PAGESZ:
page_size = auxv->a_un.a_val;
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 77d4066..fd45bb2 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -363,7 +363,7 @@
(int (*)(int, void *, int)) write, copy_to_user_proc));
}
-int os_file_size(char *file, long long *size_out)
+int os_file_size(char *file, unsigned long long *size_out)
{
struct uml_stat buf;
int err;