In sdhci_esdhc_probe(), we should hold the reference returned by
of_find_compatible_node() which is used to of_node_put() for keep
refcount balance.
Signed-off-by: Liang He <windhl@xxxxxxx>
---
drivers/mmc/host/sdhci-of-esdhc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index d9dc41143bb3..9c8cd8b63578 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -1418,7 +1418,7 @@ static int esdhc_hs400_prepare_ddr(struct mmc_host *mmc)
static int sdhci_esdhc_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
- struct device_node *np;
+ struct device_node *np, *tp;
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_esdhc *esdhc;
int ret;
@@ -1463,7 +1463,9 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
if (esdhc->vendor_ver > VENDOR_V_22)
host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
- if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) {
+ tp = of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc");
+ if (tp) {
+ of_node_put(tp);
host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
}
--
2.25.1
