[PATCH] kfree cleanup: drivers/char

This is the drivers/char/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/char/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 1c686414e0a1..95af2a941595 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -785,8 +785,7 @@ static void __exit stallion_module_exit(void)
                         "errno=%d\n", -i);
         class_destroy(stallion_class);
 
-        if (stl_tmpwritebuf != (char *) NULL)
-                kfree(stl_tmpwritebuf);
+        kfree(stl_tmpwritebuf);
 
         for (i = 0; (i < stl_nrbrds); i++) {
                 if ((brdp = stl_brds[i]) == (stlbrd_t *) NULL)
@@ -804,8 +803,7 @@ static void __exit stallion_module_exit(void)
                                         continue;
                                 if (portp->tty != (struct tty_struct *) NULL)
                                         stl_hangup(portp->tty);
-                                if (portp->tx.buf != (char *) NULL)
-                                        kfree(portp->tx.buf);
+                                kfree(portp->tx.buf);
                                 kfree(portp);
                         }
                         kfree(panelp);