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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-10-27 20:29:24 +0100 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-11-05 09:11:30 -0700 |
| commit | c0b19f25a1a2ba935333899e5dcbe4429851cb18 (patch) | |
| tree | 6bf06e419dfb99bd42374627419b7d94743d44b5 | |
| parent | 35d949222f5fc629cf89063a39998fbc39c2c4ca (diff) | |
| download | u-boot-c0b19f25a1a2ba935333899e5dcbe4429851cb18.tar.gz | |
sandbox: use O_CLOEXEC in os_open()
During a cold reset execv() is used to relaunch the U-Boot binary.
We must ensure that all files are closed in this case.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | arch/sandbox/cpu/os.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index c461fb0db0..7e474d6364 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -80,6 +80,11 @@ int os_open(const char *pathname, int os_flags) flags |= O_CREAT; if (os_flags & OS_O_TRUNC) flags |= O_TRUNC; + /* + * During a cold reset execv() is used to relaunch the U-Boot binary. + * We must ensure that all files are closed in this case. + */ + flags |= O_CLOEXEC; return open(pathname, flags, 0777); } |