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| author | Manish Narani <manish.narani@xilinx.com> | 2018-10-25 08:06:56 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2018-11-05 13:36:20 +0100 |
| commit | 84de0b493ff62993c4047dd15318cc23f83923d3 (patch) | |
| tree | ae1e2faff6f3ce91a1ffce706caf6ffaf6e69c23 /drivers/edac/synopsys_edac.c | |
| parent | EDAC, synopsys: Add platform specific structures for the DDR Controller (diff) | |
| download | linux-84de0b493ff62993c4047dd15318cc23f83923d3.tar.xz linux-84de0b493ff62993c4047dd15318cc23f83923d3.zip | |
EDAC, synopsys: Add error handling for the of_device_get_match_data() result
The function of_device_get_match_data() can return NULL in case of
error. Add error handling for the same in the mc_probe() function.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-2-git-send-email-manish.narani@xilinx.com
Diffstat (limited to 'drivers/edac/synopsys_edac.c')
| -rw-r--r-- | drivers/edac/synopsys_edac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index 1c3795dd7b82..0005ef387af6 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; |