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Groups > linux.kernel > #1632783

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

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

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 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);
 	}
 }

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Thread

[RFC PATCH 0/7] um: Fix printf usage and support quiet option Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200
  [RFC PATCH 3/7] um: Make non_fatal non-static for other files Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200
  [RFC PATCH 2/7] um: Use non_fatal() in check_coredump_limit Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200
  [RFC PATCH 5/7] um: Print out fatal error in stderr Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200
    Re: [RFC PATCH 5/7] um: Print out fatal error in stderr Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-29 13:30 +0200
  [RFC PATCH 1/7] um: Use printk instead of printf in make_uml_dir Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200
  [RFC PATCH 4/7] um: Use non_fatal() for non-fatal information/warning messages Masami Hiramatsu <mhiramat@kernel.org> - 2017-04-28 12:30 +0200

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