[RFC PATCH v2 1/6] um: Use printk instead of printf in make_uml_dir

From: Masami Hiramatsu
Date: Mon May 08 2017 - 02:17:37 EST


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

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
Changes in v2:
- Use "%s", __func__ according to checkpatches.pl
---
arch/um/os-Linux/umid.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
index c1dc892..37cfaba 100644
--- a/arch/um/os-Linux/umid.c
+++ b/arch/um/os-Linux/umid.c
@@ -35,8 +35,9 @@ static int __init make_uml_dir(void)

err = -ENOENT;
if (home == NULL) {
- printk(UM_KERN_ERR "make_uml_dir : no value in "
- "environment for $HOME\n");
+ printk(UM_KERN_ERR
+ "%s: no value in environment for $HOME\n",
+ __func__);
goto err;
}
strlcpy(dir, home, sizeof(dir));
@@ -50,13 +51,15 @@ 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 "%s : malloc failed, errno = %d\n",
+ __func__, 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;
}