On 6/20/19, 2:17 AM, "[email protected] on behalf of Joel Stanley"
<[email protected] on behalf of [email protected]> wrote:
gcc warns that a mising "flash" phandle node leads to undefined
behavior later:
drivers/soc/aspeed/aspeed-lpc-ctrl.c: In function 'aspeed_lpc_ctrl_probe':
drivers/soc/aspeed/aspeed-lpc-ctrl.c:201:18: error: '*((void *)&resm+8)'
may be used uninitialized in this function [-Werror=maybe-uninitialized]
Only set the flash base and size if we find a phandle in the device
tree.
Thanks for fixing this.
Reviewed-by: Vijay Khemka <[email protected]>
Reported-by: Arnd Bergmann <[email protected]>
Signed-off-by: Joel Stanley <[email protected]>
---
drivers/soc/aspeed/aspeed-lpc-ctrl.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
index aca13779764a..eee26c2d8b52 100644
--- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
+++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
@@ -223,10 +223,11 @@ static int aspeed_lpc_ctrl_probe(struct
platform_device *pdev)
dev_err(dev, "Couldn't address to resource for
flash\n");
return rc;
}
+
+ lpc_ctrl->pnor_size = resource_size(&resm);
+ lpc_ctrl->pnor_base = resm.start;
}
- lpc_ctrl->pnor_size = resource_size(&resm);
- lpc_ctrl->pnor_base = resm.start;
dev_set_drvdata(&pdev->dev, lpc_ctrl);
--
2.20.1
