[PATCH] kfree cleanup: misc remaining drivers

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

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

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
Acked-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Pierre Ossman <drzeus@drzeus.cx>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Len Brown <len.brown@intel.com>
Acked-by: "Antonino A. Daplas" <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 17 insertions, 23 deletions

diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c
index 6e6f42d01e6..4b48b31ec23 100644
--- a/drivers/parport/probe.c
+++ b/drivers/parport/probe.c
@@ -78,17 +78,15 @@ static void parse_data(struct parport *port, int device, char *str)
                                 u++;
                         }
                         if (!strcmp(p, "MFG") || !strcmp(p, "MANUFACTURER")) {
-                                if (info->mfr)
-                                        kfree (info->mfr);
+                                kfree(info->mfr);
                                 info->mfr = kstrdup(sep, GFP_KERNEL);
                         } else if (!strcmp(p, "MDL") || !strcmp(p, "MODEL")) {
-                                if (info->model)
-                                        kfree (info->model);
+                                kfree(info->model);
                                 info->model = kstrdup(sep, GFP_KERNEL);
                         } else if (!strcmp(p, "CLS") || !strcmp(p, "CLASS")) {
                                 int i;
-                                if (info->class_name)
-                                        kfree (info->class_name);
+
+                                kfree(info->class_name);
                                 info->class_name = kstrdup(sep, GFP_KERNEL);
                                 for (u = sep; *u; u++)
                                         *u = toupper(*u);
@@ -102,21 +100,22 @@ static void parse_data(struct parport *port, int device, char *str)
                                 info->class = PARPORT_CLASS_OTHER;
                         } else if (!strcmp(p, "CMD") ||
                                    !strcmp(p, "COMMAND SET")) {
-                                if (info->cmdset)
-                                        kfree (info->cmdset);
+                                kfree(info->cmdset);
                                 info->cmdset = kstrdup(sep, GFP_KERNEL);
                                 /* if it speaks printer language, it's
                                    probably a printer */
                                 if (strstr(sep, "PJL") || strstr(sep, "PCL"))
                                         guessed_class = PARPORT_CLASS_PRINTER;
                         } else if (!strcmp(p, "DES") || !strcmp(p, "DESCRIPTION")) {
-                                if (info->description)
-                                        kfree (info->description);
+                                kfree(info->description);
                                 info->description = kstrdup(sep, GFP_KERNEL);
                         }
                 }
         rock_on:
-                if (q) p = q+1; else p=NULL;
+                if (q)
+                        p = q + 1;
+                else
+                        p = NULL;
         }
 
         /* If the device didn't tell us its class, maybe we have managed to
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index ae7becf7efa..9cb3ab156b0 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -202,16 +202,11 @@ static void free_port (struct parport *port)
         list_del(&port->full_list);
         spin_unlock(&full_list_lock);
         for (d = 0; d < 5; d++) {
-                if (port->probe_info[d].class_name)
-                        kfree (port->probe_info[d].class_name);
-                if (port->probe_info[d].mfr)
-                        kfree (port->probe_info[d].mfr);
-                if (port->probe_info[d].model)
-                        kfree (port->probe_info[d].model);
-                if (port->probe_info[d].cmdset)
-                        kfree (port->probe_info[d].cmdset);
-                if (port->probe_info[d].description)
-                        kfree (port->probe_info[d].description);
+                kfree(port->probe_info[d].class_name);
+                kfree(port->probe_info[d].mfr);
+                kfree(port->probe_info[d].model);
+                kfree(port->probe_info[d].cmdset);
+                kfree(port->probe_info[d].description);
         }
 
         kfree(port->name);
@@ -618,9 +613,9 @@ parport_register_device(struct parport *port, const char *name,
         return tmp;
 
  out_free_all:
-        kfree (tmp->state);
+        kfree(tmp->state);
  out_free_pardevice:
-        kfree (tmp);
+        kfree(tmp);
  out:
         parport_put_port (port);
         module_put(port->ops->owner);