[PATCH 5.15 48/98] nfc: nfcmrvl: Fix irq_of_parse_and_map() return value
From: Greg Kroah-Hartman
Date: Tue Jul 05 2022 - 08:24:38 EST
From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
commit 5a478a653b4cca148d5c89832f007ec0809d7e6d upstream.
The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
Reported-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
Fixes: caf6e49bf6d0 ("NFC: nfcmrvl: add spi driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220627124048.296253-1-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nfc/nfcmrvl/i2c.c | 6 +++---
drivers/nfc/nfcmrvl/spi.c | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/nfc/nfcmrvl/i2c.c
+++ b/drivers/nfc/nfcmrvl/i2c.c
@@ -167,9 +167,9 @@ static int nfcmrvl_i2c_parse_dt(struct d
pdata->irq_polarity = IRQF_TRIGGER_RISING;
ret = irq_of_parse_and_map(node, 0);
- if (ret < 0) {
- pr_err("Unable to get irq, error: %d\n", ret);
- return ret;
+ if (!ret) {
+ pr_err("Unable to get irq\n");
+ return -EINVAL;
}
pdata->irq = ret;
--- a/drivers/nfc/nfcmrvl/spi.c
+++ b/drivers/nfc/nfcmrvl/spi.c
@@ -115,9 +115,9 @@ static int nfcmrvl_spi_parse_dt(struct d
}
ret = irq_of_parse_and_map(node, 0);
- if (ret < 0) {
- pr_err("Unable to get irq, error: %d\n", ret);
- return ret;
+ if (!ret) {
+ pr_err("Unable to get irq\n");
+ return -EINVAL;
}
pdata->irq = ret;