[PATCH v2 -next] remoteproc: k3-dsp: Fix return value check in k3_dsp_rproc_of_get_memories()

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In case of error, the function devm_ioremap_wc() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.

Fixes: 6edbe024ba17 ("remoteproc: k3-dsp: Add a remoteproc driver of K3 C66x DSPs")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Acked-by: Suman Anna <s-anna@xxxxxx>
---
v2: return ENOMEM instead of EBUSY, use corret Fixes tag
---
 drivers/remoteproc/ti_k3_dsp_remoteproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 9011e477290c..f373df35d7d0 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -445,10 +445,10 @@ static int k3_dsp_rproc_of_get_memories(struct platform_device *pdev,
 
 		kproc->mem[i].cpu_addr = devm_ioremap_wc(dev, res->start,
 							 resource_size(res));
-		if (IS_ERR(kproc->mem[i].cpu_addr)) {
+		if (!kproc->mem[i].cpu_addr) {
 			dev_err(dev, "failed to map %s memory\n",
 				data->mems[i].name);
-			return PTR_ERR(kproc->mem[i].cpu_addr);
+			return -ENOMEM;
 		}
 		kproc->mem[i].bus_addr = res->start;
 		kproc->mem[i].dev_addr = data->mems[i].dev_addr;
-- 
2.17.1





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