Commit f7a993a9 authored Sep 04, 2015 by Sudhakar Manapati

input: synaptics: add NULL pointer check



Add null pointer exception check for pointers which
may be NULL after memory allocation failure and
may be deferenced.

This patch is propagated from msm-3.10 kernel
(commit: 66af29b24da01340efc511e8d63b33c04ebe5273
input: synaptics: add NULL pointer check)
Also cleaned checkpatch warning on msm-3.18 kernel.

Change-Id: I99a24ada5b91743bc57568b6ab7b39e655c7bb64
Signed-off-by: Sarada Prasanna Garnayak <c_sgarna@codeaurora.org>
Signed-off-by: Sudhakar Manapati <smanap@codeaurora.org>

parent 3aee47e1

drivers/input/touchscreen/synaptics_fw_update.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1403,6 +1403,10 @@ static int fwu_do_read_config(void)

		kfree(fwu->read_config_buf);
		fwu->read_config_buf = kzalloc(fwu->config_size, GFP_KERNEL);
		if (!fwu->read_config_buf) {
		retval = -ENOMEM;
		goto exit;
		}

		block_offset[1] \|= (fwu->config_area << 5);