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-rw-r--r--arch/um/os-Linux/file.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index d7404c621ff..b5afcfd0f86 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -191,6 +191,8 @@ int os_open_file(const char *file, struct openflags flags, int mode)
f |= O_TRUNC;
if (flags.e)
f |= O_EXCL;
+ if (flags.a)
+ f |= O_APPEND;
fd = open64(file, f, mode);
if (fd < 0)