Add failure logs in __ashmem_open_locked()
Bug: 160984921
Test: build, boot
Change-Id: I754c961289828463af6de905d8b057b4350f5f07
diff --git a/libcutils/ashmem-dev.cpp b/libcutils/ashmem-dev.cpp
index 20cd659..233d400 100644
--- a/libcutils/ashmem-dev.cpp
+++ b/libcutils/ashmem-dev.cpp
@@ -212,13 +212,16 @@
// fallback for APEX w/ use_vendor on Q, which would have still used /dev/ashmem
if (fd < 0) {
+ int saved_errno = errno;
fd = TEMP_FAILURE_RETRY(open("/dev/ashmem", O_RDWR | O_CLOEXEC));
+ if (fd < 0) {
+ /* Q launching devices and newer must not reach here since they should have been
+ * able to open ashmem_device_path */
+ ALOGE("Unable to open ashmem device %s (error = %s) and /dev/ashmem(error = %s)",
+ ashmem_device_path.c_str(), strerror(saved_errno), strerror(errno));
+ return fd;
+ }
}
-
- if (fd < 0) {
- return fd;
- }
-
struct stat st;
int ret = TEMP_FAILURE_RETRY(fstat(fd, &st));
if (ret < 0) {