1 files changed, 4 insertions, 3 deletions

diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index c3b736adc1d9..9674ed1bef2f 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -30,7 +30,7 @@ static char *tempdir = NULL;
 
 static void __init find_tempdir(void)
 {
-        char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
+        const char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
         int i;
         char *dir = NULL;
 
@@ -59,9 +59,10 @@ static void __init find_tempdir(void)
  * read the file as needed.  If there's an error, -errno is returned;
  * if the end of the file is reached, 0 is returned.
  */
-static int next(int fd, char *buf, int size, char c)
+static int next(int fd, char *buf, size_t size, char c)
 {
-        int n, len;
+        ssize_t n;
+        size_t len;
         char *ptr;
 
         while((ptr = strchr(buf, c)) == NULL){