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Subject[PATCH v10 1/6] edac: synopsys: Add error handling for NULL in probe()
Date
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 <manish.narani@xilinx.com>
---
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
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