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Commit 40a11add authored by Firoz Khan's avatar Firoz Khan
Browse files

msm: adsprpc: perform NULL check 



Perfrom NULL check with return value of kzalloc in
order to avoid NULL pointer dereference.

Change-Id: Ic45cc702b19a87d851b75595e1cf86e1674dd9d4
Signed-off-by: default avatarFiroz Khan <firozk@codeaurora.org>
parent e2a34f15

drivers/char/adsprpc.c

+6 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2932,7 +2932,11 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) 
		return err;

	snprintf(strpid, PID_SIZE, "%d", current->pid);

	buf_size = strlen(current->comm) + strlen("_") + strlen(strpid) + 1;

	fl->debug_buf = kzalloc(buf_size, GFP_KERNEL);

	VERIFY(err, NULL != (fl->debug_buf = kzalloc(buf_size, GFP_KERNEL)));

	if (err) {

		kfree(fl);

		return err;

	}

	snprintf(fl->debug_buf, UL_SIZE, "%.10s%s%d",

	current->comm, "_", current->pid);

	debugfs_file = debugfs_create_file(fl->debug_buf, 0644,