pass-hal: standard: Fix the return value when accessing sysfs interface

Change-Id: I59a67537f664f9bd91b4dda1ea1ac6d91defa73e
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/src/shared/sysfs.c b/src/shared/sysfs.c
index 1256076622589421629828a8210428eb912d6c35..23768ce46ab19af7dd0e8d683601d1668cb73f86 100644 (file)
--- a/src/shared/sysfs.c
+++ b/src/shared/sysfs.c
@@ -38,7 +38,9 @@ static int sysfs_read_buf(char *path, char *buf, int len)
        r = read(fd, buf, len);
        close(fd);
 
-       if ((r < 0) || (r > len))
+       if (r < 0)
+               return r;
+       if (r > len)
                return -EIO;
 
        buf[r] = '\0';
@@ -61,7 +63,7 @@ static int sysfs_write_buf(char *path, char *buf)
        close(fd);
 
        if (w < 0)
-               return -EIO;
+               return w;
 
        return 0;
 }