diff options
| author | Martin Roth <martin@coreboot.org> | 2020-07-28 09:42:07 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-08-03 05:08:39 +0000 |
| commit | 114cf22e8d9881aedc9ee72af5dfac74fdff5627 (patch) | |
| tree | 4c468eb31969549abfd519a736d894ad1a9a1a3b /src/drivers | |
| parent | 6880aec670661d961ab9baeb7fab0595d0ba906c (diff) | |
| download | coreboot-114cf22e8d9881aedc9ee72af5dfac74fdff5627.tar.xz | |
drivers/amd/i2s_machine_dev: return if scope is NULL
Avoid dereferencing a null pointer.
Found-by: Coverity CID 1430549
BUG=None
TEST=Build
Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I53f6a38aac6e7f94c3c370996b3b82ca0d88dac4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44001
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c b/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c index a93826551d..b5be31d038 100644 --- a/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c +++ b/src/drivers/amd/i2s_machine_dev/i2s_machine_dev.c @@ -21,6 +21,11 @@ static void i2s_machine_dev_fill_ssdt(const struct device *dev) dmic_select_gpio = &cfg->dmic_select_gpio; + if (scope == NULL) { + printk(BIOS_ERR, "%s: ERROR: ACPI I2S scope not found\n", dev_path(dev)); + return; + } + if (cfg->hid == NULL) { printk(BIOS_ERR, "%s: ERROR: HID required\n", dev_path(dev)); return; |