[PATCH AUTOSEL 4.14 113/115] tools: PCI: Fix broken pcitest compilation

Sasha Levin
2019-11-13T02:09:51Z

From: Alan Mikhak <alan.mikhak@sifive.com>

[ Upstream commit 8a5e0af240e07dd3d4897eb8ff52aab757da7fab ]

pcitest is currently broken due to the following compiler error
and related warning. Fix by changing the run_test() function
signature to return an integer result.

pcitest.c: In function run_test:
pcitest.c:143:9: warning: return with a value, in function
returning void
return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */

pcitest.c: In function main:
pcitest.c:232:9: error: void value not ignored as it ought to be
return run_test(test);

Fixes: fef31ecaaf2c ("tools: PCI: Fix compilation warnings")
Signed-off-by: Alan Mikhak <alan.mikhak@sifive.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/pci/pcitest.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index 8ca1c62bc06db..7002df55826f4 100644
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -42,15 +42,15 @@ struct pci_test {
unsigned long size;
};

-static void run_test(struct pci_test *test)
+static int run_test(struct pci_test *test)
{
- long ret;
+ int ret = -EINVAL;
int fd;

fd = open(test->device, O_RDWR);
if (fd < 0) {
perror("can't open PCI Endpoint Test device");
- return;
+ return -ENODEV;
}

if (test->barnum >= 0 && test->barnum <= 5) {
--
2.20.1