From 37dd46e92f776c1bc4ee83fdcaceb8d5e15fb5c8 Mon Sep 17 00:00:00 2001
From: Teruaki Kawashima <teru@rockbox.org>
Date: Wed, 29 Jul 2009 13:56:23 +0000
Subject: Check if parameter is NULL in plugins which only works as viewer.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22083 a1c6a512-1295-4272-9138-f99709370657
---
 apps/plugins/iriverify.c  | 1 +
 apps/plugins/properties.c | 1 +
 apps/plugins/search.c     | 1 +
 apps/plugins/sort.c       | 1 +
 4 files changed, 4 insertions(+)

(limited to 'apps')

diff --git a/apps/plugins/iriverify.c b/apps/plugins/iriverify.c
index 35a96a05c4..eaaec4b1e1 100644
--- a/apps/plugins/iriverify.c
+++ b/apps/plugins/iriverify.c
@@ -135,6 +135,7 @@ enum plugin_status plugin_start(const void* parameter)
     char *buf;
     int rc;
     int i;
+    if(!parameter) return PLUGIN_ERROR;
     filename = (char *)parameter;
 
     buf = rb->plugin_get_audio_buffer((size_t *)&buf_size); /* start munching memory */
diff --git a/apps/plugins/properties.c b/apps/plugins/properties.c
index b57150b817..c76a25b06a 100644
--- a/apps/plugins/properties.c
+++ b/apps/plugins/properties.c
@@ -275,6 +275,7 @@ enum plugin_status plugin_start(const void* parameter)
     int button;
     bool quit = false;
     char file[MAX_PATH];
+    if(!parameter) return PLUGIN_ERROR;
     rb->strcpy(file, (const char *) parameter);
 
     /* determine if it's a file or a directory */
diff --git a/apps/plugins/search.c b/apps/plugins/search.c
index 4c6d569806..e9732d219b 100644
--- a/apps/plugins/search.c
+++ b/apps/plugins/search.c
@@ -149,6 +149,7 @@ enum plugin_status plugin_start(const void* parameter)
     int ok;
     const char *filename = parameter;
     char *p;
+    if(!parameter) return PLUGIN_ERROR;
 
     DEBUGF("%s - %s\n", (char *)parameter, &filename[rb->strlen(filename)-4]);
     /* Check the extension. We only allow .m3u files. */
diff --git a/apps/plugins/sort.c b/apps/plugins/sort.c
index 24be560398..1877831815 100644
--- a/apps/plugins/sort.c
+++ b/apps/plugins/sort.c
@@ -180,6 +180,7 @@ enum plugin_status plugin_start(const void* parameter)
 {
     char *buf;
     int rc;
+    if(!parameter) return PLUGIN_ERROR;
 
     filename = (char *)parameter;
 
-- 
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