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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>
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@ -80,6 +80,11 @@ int os_open(const char *pathname, int os_flags)
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flags |= O_CREAT;
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if (os_flags & OS_O_TRUNC)
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flags |= O_TRUNC;
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/*
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* During a cold reset execv() is used to relaunch the U-Boot binary.
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* We must ensure that all files are closed in this case.
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*/
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flags |= O_CLOEXEC;
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return open(pathname, flags, 0777);
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}
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