misc: pci_endpoint_test: Fix pci_endpoint_test_bars_read_bar() error handling

Commit f26d37e ("misc: pci_endpoint_test: Fix IOCTL return value")
changed the return value of pci_endpoint_test_bars_read_bar() from false
to -EINVAL on error, however, it failed to update the error handling.

Fixes: f26d37e ("misc: pci_endpoint_test: Fix IOCTL return value")
Signed-off-by: Niklas Cassel <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>

Author: floatious

drivers/misc/pci_endpoint_test.c

@@ -382,7 +382,7 @@ static int pci_endpoint_test_bars_read_bar(struct pci_endpoint_test *test,
 static int pci_endpoint_test_bars(struct pci_endpoint_test *test)
 {
 	enum pci_barno bar;
-	bool ret;
+	int ret;
 
 	/* Write all BARs in order (without reading). */
 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++)
@@ -398,7 +398,7 @@ static int pci_endpoint_test_bars(struct pci_endpoint_test *test)
 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
 		if (test->bar[bar]) {
 			ret = pci_endpoint_test_bars_read_bar(test, bar);
-			if (!ret)
+			if (ret)
 				return ret;
 		}
 	}