@@ -198,7 +198,7 @@ static int setup(const efi_handle_t handle,
*/
ret = boottime->set_timer(timer, EFI_TIMER_PERIODIC, 10000000);
if (ret != EFI_SUCCESS) {
- efi_st_error("Failed to locate simple network protocol\n");
+ efi_st_error("Failed to set timer\n");
return EFI_ST_FAILURE;
}
/*
@@ -206,6 +206,7 @@ static int setup(const efi_handle_t handle,
*/
ret = boottime->locate_protocol(&efi_net_guid, NULL, (void **)&net);
if (ret != EFI_SUCCESS) {
+ net = NULL;
efi_st_error("Failed to locate simple network protocol\n");
return EFI_ST_FAILURE;
}
@@ -273,6 +274,12 @@ static int execute(void)
*/
unsigned int timeout = 10;
+ /* Setup may have failed */
+ if (!net || !timer) {
+ efi_st_error("Cannot execute test after setup failure\n");
+ return EFI_ST_FAILURE;
+ }
+
/*
* Send DHCP discover message
*/
Avoid NULL pointer dereference after setup failed due to a missing network. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> --- lib/efi_selftest/efi_selftest_snp.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)