From: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
Date: Wed, 24 Jun 2015 11:52:53 +0000 (+0300)
Subject: [FIX] check ld_info pointer on NULL
X-Git-Tag: submit/tizen/20151123.110932~58
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=531f07782854c215db2d0ab4b6bdfd718db0010e;p=kernel%2Fswap-modules.git

[FIX] check ld_info pointer on NULL

Change-Id: Iaa79730bd50af2fe29c2aa702d2027afab1eb6fb
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
---

diff --git a/preload/preload_module.c b/preload/preload_module.c
index 02b0db2..c9a3edc 100644
--- a/preload/preload_module.c
+++ b/preload/preload_module.c
@@ -242,6 +242,11 @@ static struct vm_area_struct *__get_linker_vma(struct task_struct *task)
 	struct bin_info *ld_info;
 
 	ld_info = preload_storage_get_linker_info();
+	if (ld_info == NULL) {
+		printk(PRELOAD_PREFIX "Cannot get linker info [%u %u %s]!\n",
+		       task->tgid, task->pid, task->comm);
+		return NULL;
+	}
 
 	for (vma = task->mm->mmap; vma; vma = vma->vm_next) {
 		if (vma->vm_file && vma->vm_flags & VM_EXEC