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lxip: get_random_once must be called once

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Josef Söntgen 2016-10-20 15:09:37 +02:00 committed by Christian Helmuth
parent d647b6c797
commit ca3be471a9
1 changed files with 8 additions and 4 deletions
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12
repos/dde_linux/src/lib/lxip/include/lx_emul.h
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@ -3188,10 +3188,14 @@ static inline bool ipv4_is_loopback(__be32 addr)
void get_random_bytes(void *buf, int nbytes);
static inline void get_random_once(void *buf, int nbytes)
{
return get_random_bytes(buf, nbytes);
}
#define get_random_once(buf, nbytes) \
({ \
static bool initialized = false; \
if (!initialized) { \
get_random_bytes((buf), (nbytes)); \
initialized = true; \
} \
})
u32 prandom_u32(void);