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[MIPS] Check function pointers are non-zero before calling.

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Several boards don't initialize the pointers, so let's play safe.
    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2006-01-17 21:14:01 +00:00
parent a3305a8835
commit 9414d3628a
1 changed files with 6 additions and 4 deletions
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10
arch/mips/kernel/reset.c
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@ -23,16 +23,18 @@ void (*_machine_power_off)(void);
void machine_restart(char *command) void machine_restart(char *command)
{ {
_machine_restart(command); if (_machine_restart)
_machine_restart(command);
} }
void machine_halt(void) void machine_halt(void)
{ {
_machine_halt(); if (_machine_halt)
_machine_halt();
} }
void machine_power_off(void) void machine_power_off(void)
{ {
_machine_power_off(); if (_machine_power_off)
_machine_power_off();
} }