linux-kernel - [RFC PATCH 1/7] um: Use printk instead of printf in make_uml

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Date:   Fri, 28 Apr 2017 19:21:01 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Jeff Dike <jdike@...toit.com>, Richard Weinberger <richard@....at>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        user-mode-linux-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH 1/7] um: Use printk instead of printf in make_uml_dir

Since this function will be called after printk buffer
initialized, use printk as other functions do.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 arch/um/os-Linux/umid.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index c1dc892..b94a416 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -50,13 +50,15 @@ static int __init make_uml_dir(void)
 	err = -ENOMEM;
 	uml_dir = malloc(strlen(dir) + 1);
 	if (uml_dir == NULL) {
-		printf("make_uml_dir : malloc failed, errno = %d\n", errno);
+		printk(UM_KERN_ERR "make_uml_dir : malloc failed, "
+			"errno = %d\n", errno);
 		goto err;
 	}
 	strcpy(uml_dir, dir);
 
 	if ((mkdir(uml_dir, 0777) < 0) && (errno != EEXIST)) {
-	        printf("Failed to mkdir '%s': %s\n", uml_dir, strerror(errno));
+		printk(UM_KERN_ERR "Failed to mkdir '%s': %s\n",
+			uml_dir, strerror(errno));
 		err = -errno;
 		goto err_free;
 	}