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authorDan Carpenter <dan.carpenter@oracle.com>2018-12-20 08:53:41 +0100
committerKalle Valo <kvalo@codeaurora.org>2018-12-20 18:05:19 +0100
commitc28dcbce0592a1a7e32975e28bdd80e5d8d2cfa3 (patch)
tree7cc361a7a1189f6a48a129be20fe56a142f0df33 /drivers/net/wireless/ath/ath10k/qmi.c
parentath10k: remove work in progress logs from snoc driver (diff)
downloadlinux-c28dcbce0592a1a7e32975e28bdd80e5d8d2cfa3.tar.xz
linux-c28dcbce0592a1a7e32975e28bdd80e5d8d2cfa3.zip
ath10k: fix a NULL vs IS_ERR() check
The devm_memremap() function doesn't return NULLs, it returns error pointers. Fixes: ba94c753ccb4 ("ath10k: add QMI message handshake for wcn3990 client") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/qmi.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/qmi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c
index f0429bee35c2..37b3bd629f48 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.c
+++ b/drivers/net/wireless/ath/ath10k/qmi.c
@@ -931,9 +931,9 @@ static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size)
qmi->msa_mem_size = resource_size(&r);
qmi->msa_va = devm_memremap(dev, qmi->msa_pa, qmi->msa_mem_size,
MEMREMAP_WT);
- if (!qmi->msa_va) {
+ if (IS_ERR(qmi->msa_va)) {
dev_err(dev, "failed to map memory region: %pa\n", &r.start);
- return -EBUSY;
+ return PTR_ERR(qmi->msa_va);
}
} else {
qmi->msa_va = dmam_alloc_coherent(dev, msa_size,