The devm_ioremap_resource_wc() function never returns NULL, it returns
error pointers.  Update the checking to match.

Fixes: c70b9d5fdcd7 ("remoteproc: qcom: Use of_reserved_mem_region_* functions 
for "memory-region"")
Signed-off-by: Dan Carpenter <[email protected]>
---
 drivers/remoteproc/qcom_q6v5_pas.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_pas.c 
b/drivers/remoteproc/qcom_q6v5_pas.c
index 609df141ecb1..52680ac99589 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -559,9 +559,9 @@ static int qcom_pas_alloc_memory_region(struct qcom_pas 
*pas)
        pas->mem_phys = pas->mem_reloc = res.start;
        pas->mem_size = resource_size(&res);
        pas->mem_region = devm_ioremap_resource_wc(pas->dev, &res);
-       if (!pas->mem_region) {
+       if (IS_ERR(pas->mem_region)) {
                dev_err(pas->dev, "unable to map memory region: %pR\n", &res);
-               return -EBUSY;
+               return PTR_ERR(pas->mem_region);
        }
 
        if (!pas->dtb_pas_id)
@@ -576,9 +576,9 @@ static int qcom_pas_alloc_memory_region(struct qcom_pas 
*pas)
        pas->dtb_mem_phys = pas->dtb_mem_reloc = res.start;
        pas->dtb_mem_size = resource_size(&res);
        pas->dtb_mem_region = devm_ioremap_resource_wc(pas->dev, &res);
-       if (!pas->dtb_mem_region) {
+       if (IS_ERR(pas->dtb_mem_region)) {
                dev_err(pas->dev, "unable to map dtb memory region: %pR\n", 
&res);
-               return -EBUSY;
+               return PTR_ERR(pas->dtb_mem_region);
        }
 
        return 0;
-- 
2.51.0


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