[RFC PATCH 5/7] um: Print out fatal error in stderr

From: Masami Hiramatsu
Date: Fri Apr 28 2017 - 06:26:50 EST


Print out fatal error in stderr as same as fatal() does.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
arch/um/kernel/physmem.c | 8 ++++----
arch/um/kernel/um_arch.c | 2 +-
arch/um/os-Linux/main.c | 4 ++--
3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c
index 4c9861b..7f95329 100644
--- a/arch/um/kernel/physmem.c
+++ b/arch/um/kernel/physmem.c
@@ -89,8 +89,8 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
offset = uml_reserved - uml_physmem;
map_size = len - offset;
if(map_size <= 0) {
- printf("Too few physical memory! Needed=%d, given=%d\n",
- offset, len);
+ fprintf(stderr, "Too few physical memory! Needed=%d, "
+ "given=%d\n", offset, len);
exit(1);
}

@@ -99,8 +99,8 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
err = os_map_memory((void *) uml_reserved, physmem_fd, offset,
map_size, 1, 1, 1);
if (err < 0) {
- printf("setup_physmem - mapping %ld bytes of memory at 0x%p "
- "failed - errno = %d\n", map_size,
+ fprintf(stderr, "setup_physmem - mapping %ld bytes of memory "
+ "at 0x%p failed - errno = %d\n", map_size,
(void *) uml_reserved, err);
exit(1);
}
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index b3b28db..01817d6 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -34,7 +34,7 @@ static char __initdata command_line[COMMAND_LINE_SIZE] = { 0 };
static void __init add_arg(char *arg)
{
if (strlen(command_line) + strlen(arg) + 1 > COMMAND_LINE_SIZE) {
- printf("add_arg: Too many command line arguments!\n");
+ fprintf(stderr, "add_arg: Too many command line arguments!\n");
exit(1);
}
if (strlen(command_line) > 0)
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 659fee3..09b44f1 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -74,8 +74,8 @@ static void install_fatal_handler(int sig)
action.sa_restorer = NULL;
action.sa_handler = last_ditch_exit;
if (sigaction(sig, &action, NULL) < 0) {
- printf("failed to install handler for signal %d - errno = %d\n",
- sig, errno);
+ fprintf(stderr, "failed to install handler for signal %d "
+ "- errno = %d\n", sig, errno);
exit(1);
}
}