X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fmodule.c;h=4b39d3793c720673452b6d8be18ade674360131a;hb=2625c1be3425f5a9d8ef1434449b7d954aaf199d;hp=c32995fbd8fd14b608bb49e5b0f5899e41ffd979;hpb=5d2a22079c825669d91a3a200332f1053b4b61b0;p=pandora-kernel.git

diff --git a/kernel/module.c b/kernel/module.c
index c32995fbd8fd..4b39d3793c72 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1509,6 +1509,7 @@ static struct module *load_module(void __user *umod,
 	long err = 0;
 	void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */
 	struct exception_table_entry *extable;
+	mm_segment_t old_fs;
 
 	DEBUGP("load_module: umod=%p, len=%lu, uargs=%p\n",
 	       umod, len, uargs);
@@ -1779,6 +1780,24 @@ static struct module *load_module(void __user *umod,
 	if (err < 0)
 		goto cleanup;
 
+	/* flush the icache in correct context */
+	old_fs = get_fs();
+	set_fs(KERNEL_DS);
+
+	/*
+	 * Flush the instruction cache, since we've played with text.
+	 * Do it before processing of module parameters, so the module
+	 * can provide parameter accessor functions of its own.
+	 */
+	if (mod->module_init)
+		flush_icache_range((unsigned long)mod->module_init,
+				   (unsigned long)mod->module_init
+				   + mod->init_size);
+	flush_icache_range((unsigned long)mod->module_core,
+			   (unsigned long)mod->module_core + mod->core_size);
+
+	set_fs(old_fs);
+
 	mod->args = args;
 	if (obsparmindex) {
 		err = obsolete_params(mod->name, mod->args,
@@ -1860,7 +1879,6 @@ sys_init_module(void __user *umod,
 		const char __user *uargs)
 {
 	struct module *mod;
-	mm_segment_t old_fs = get_fs();
 	int ret = 0;
 
 	/* Must have permission */
@@ -1878,19 +1896,6 @@ sys_init_module(void __user *umod,
 		return PTR_ERR(mod);
 	}
 
-	/* flush the icache in correct context */
-	set_fs(KERNEL_DS);
-
-	/* Flush the instruction cache, since we've played with text */
-	if (mod->module_init)
-		flush_icache_range((unsigned long)mod->module_init,
-				   (unsigned long)mod->module_init
-				   + mod->init_size);
-	flush_icache_range((unsigned long)mod->module_core,
-			   (unsigned long)mod->module_core + mod->core_size);
-
-	set_fs(old_fs);
-
 	/* Now sew it into the lists.  They won't access us, since
            strong_try_module_get() will fail. */
 	stop_machine_run(__link_module, mod, NR_CPUS);