[PATCH] kfree cleanup: drivers/s390
This is the drivers/s390/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in drivers/s390/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Cornelia Huck <cohuck@de.ibm.com>
Acked-by: Stefan Bader <Stefan.Bader@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index f11a67f..75419cf 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -727,8 +727,7 @@
raw = cdev->dev.driver_data;
if (raw) {
cdev->dev.driver_data = NULL;
- if (raw->buffer)
- kfree(raw->buffer);
+ kfree(raw->buffer);
kfree(raw);
}
}
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index fd43d99..5bda234 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -99,13 +99,11 @@
kfree(kbd->fn_handler);
out_func:
for (i = 0; i < ARRAY_SIZE(func_table); i++)
- if (kbd->func_table[i])
- kfree(kbd->func_table[i]);
+ kfree(kbd->func_table[i]);
kfree(kbd->func_table);
out_maps:
for (i = 0; i < ARRAY_SIZE(key_maps); i++)
- if (kbd->key_maps[i])
- kfree(kbd->key_maps[i]);
+ kfree(kbd->key_maps[i]);
kfree(kbd->key_maps);
out_kbd:
kfree(kbd);
@@ -121,12 +119,10 @@
kfree(kbd->accent_table);
kfree(kbd->fn_handler);
for (i = 0; i < ARRAY_SIZE(func_table); i++)
- if (kbd->func_table[i])
- kfree(kbd->func_table[i]);
+ kfree(kbd->func_table[i]);
kfree(kbd->func_table);
for (i = 0; i < ARRAY_SIZE(key_maps); i++)
- if (kbd->key_maps[i])
- kfree(kbd->key_maps[i]);
+ kfree(kbd->key_maps[i]);
kfree(kbd->key_maps);
kfree(kbd);
}
@@ -452,8 +448,7 @@
return -EFAULT;
}
p[len] = 0;
- if (kbd->func_table[kb_func])
- kfree(kbd->func_table[kb_func]);
+ kfree(kbd->func_table[kb_func]);
kbd->func_table[kb_func] = p;
break;
}
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index d669464..f5b7d36 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -183,8 +183,7 @@
void
raw3270_request_free (struct raw3270_request *rq)
{
- if (rq->buffer)
- kfree(rq->buffer);
+ kfree(rq->buffer);
kfree(rq);
}
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index 6c52e83..8f486e1 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -682,8 +682,7 @@
request->cpdata = kmalloc(datasize, GFP_KERNEL | GFP_DMA);
if (request->cpdata == NULL) {
DBF_EXCEPTION(1, "cqra nomem\n");
- if (request->cpaddr != NULL)
- kfree(request->cpaddr);
+ kfree(request->cpaddr);
kfree(request);
return ERR_PTR(-ENOMEM);
}
@@ -706,10 +705,8 @@
if (request->device != NULL) {
request->device = tape_put_device(request->device);
}
- if (request->cpdata != NULL)
- kfree(request->cpdata);
- if (request->cpaddr != NULL)
- kfree(request->cpaddr);
+ kfree(request->cpdata);
+ kfree(request->cpaddr);
kfree(request);
}