[PATCH v9 1/6] edac: synopsys: Add error handling for NULL in probe()
From: Manish Narani <hidden>
Date: 2018-10-15 05:30:43
Also in:
linux-arm-kernel, linux-edac, lkml
Subsystem:
arm/zynq architecture, edac-core, the rest · Maintainers:
Michal Simek, Borislav Petkov, Tony Luck, Linus Torvalds
The function of_device_get_match_data() can return NULL in case of error. Add error handling for the same in probe(). Signed-off-by: Manish Narani <redacted> --- drivers/edac/synopsys_edac.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index 1c3795d..0005ef3 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c@@ -477,6 +477,9 @@ static int mc_probe(struct platform_device *pdev) return PTR_ERR(baseaddr); p_data = of_device_get_match_data(&pdev->dev); + if (!p_data) + return -ENODEV; + if (!p_data->get_ecc_state(baseaddr)) { edac_printk(KERN_INFO, EDAC_MC, "ECC not enabled\n"); return -ENXIO;
--
2.1.1