Currently this driver is missing a check on the return value of devm_kzalloc,
which would cause a NULL pointer dereference in a OOM situation.
This patch adds a missing check.
Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
pl022->vendor = id->data;
pl022->chipselects = devm_kzalloc(dev, num_cs * sizeof(int),
GFP_KERNEL);
+ if (!pl022->chipselects) {
+ status = -ENOMEM;
+ goto err_no_mem;
+ }
/*
* Bus Number Which has been Assigned to this SSP controller
amba_release_regions(adev);
err_no_ioregion:
err_no_gpio:
+ err_no_mem:
spi_master_put(master);
return status;
}