Change in flashrom[master]: tests/linux_spi: Validate params file path and flags

[Edward O'Callaghan (Code Review)]

Edward O'Callaghan has submitted this change. ( https://review.coreboot.org/c/flashrom/+/62319 )

Change subject: tests/linux_spi: Validate params file path and flags
......................................................................

tests/linux_spi: Validate params file path and flags

Add path and flags validation for '/dev/null' to open operation.

BUG=b:217629892,b:215255210
TEST=`ninja test`.

Signed-off-by: Edward O'Callaghan 
Co-Author: Daniel Campello 
Signed-off-by: Daniel Campello 
Change-Id: If5d24c65f291c53a35509fea5d2f5b3fdb51c306
Reviewed-on: https://review.coreboot.org/c/flashrom/+/62319
Reviewed-by: Anastasia Klimchuk 
Tested-by: build bot (Jenkins) 
---
M tests/lifecycle.c
1 file changed, 6 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Anastasia Klimchuk: Looks good to me, approved

diff --git a/tests/lifecycle.c b/tests/lifecycle.c
index 5566b3b..1a8f218 100644
--- a/tests/lifecycle.c
+++ b/tests/lifecycle.c
@@ -355,9 +355,15 @@
     * Specifically, it is reading the buffer size from sysfs.
     */
 #if CONFIG_LINUX_SPI == 1
+	static struct io_mock_fallback_open_state linux_spi_fallback_open_state = {
+		.noc = 0,
+		.paths = { "/dev/null", NULL },
+		.flags = { O_RDWR },
+	};
    const struct io_mock linux_spi_io = {
    	.fgets	= linux_spi_fgets,
    	.ioctl	= linux_spi_ioctl,
+		.fallback_open_state = &linux_spi_fallback_open_state,
    };

io_mock_register(&linux_spi_io);