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-rw-r--r--applypatch/applypatch.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/applypatch/applypatch.cpp b/applypatch/applypatch.cpp
index f9383ddeb..90d8e8604 100644
--- a/applypatch/applypatch.cpp
+++ b/applypatch/applypatch.cpp
@@ -76,7 +76,7 @@ static bool ReadPartitionToBuffer(const Partition& partition, FileContents* out,
}
android::base::unique_fd dev(open(partition.name.c_str(), O_RDONLY));
- if (!dev) {
+ if (dev == -1) {
PLOG(ERROR) << "Failed to open eMMC partition \"" << partition << "\"";
} else {
std::vector<unsigned char> buffer(partition.size);