Commit af2e19d8 authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Greg Kroah-Hartman
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misc: fastrpc: check return value of devm_kasprintf() 



devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: 3abe3ab3 ("misc: fastrpc: add secure domain support")
Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230615102546.581899-1-claudiu.beznea@microchip.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent afc5fddd

drivers/misc/fastrpc.c

+3 −0
Original line number Diff line number Diff line
@@ -2225,6 +2225,9 @@ static int fastrpc_device_register(struct device *dev, struct fastrpc_channel_ct 
	fdev->miscdev.fops = &fastrpc_fops;

	fdev->miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "fastrpc-%s%s",

					    domain, is_secured ? "-secure" : "");

	if (!fdev->miscdev.name)

		return -ENOMEM;



	err = misc_register(&fdev->miscdev);

	if (!err) {

		if (is_secured)