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-rw-r--r--uncrypt/uncrypt.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/uncrypt/uncrypt.cpp b/uncrypt/uncrypt.cpp
index 16036f9ce..95f40c71f 100644
--- a/uncrypt/uncrypt.cpp
+++ b/uncrypt/uncrypt.cpp
@@ -332,7 +332,8 @@ static int produce_block_map(const char* path, const char* map_file, const char*
#define F2FS_IOC_GET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 14, __u32)
#endif
if (f2fs_fs) {
- int error = ioctl(fd, F2FS_IOC_SET_PIN_FILE);
+ __u32 set = 1;
+ int error = ioctl(fd, F2FS_IOC_SET_PIN_FILE, &set);
// Don't break the old kernels which don't support it.
if (error && errno != ENOTTY && errno != ENOTSUP) {
PLOG(ERROR) << "Failed to set pin_file for f2fs: " << path << " on " << blk_dev;