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sys: posix_io: bail out on invalid target thread

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This commit is contained in:
Kaspar Schleiser 2015-07-15 13:52:25 +02:00
parent 5653974439
commit c926e2c38a
1 changed files with 3 additions and 0 deletions
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3
sys/posix/posix_io.c
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@ -47,6 +47,9 @@ static int _posix_fileop_data(kernel_pid_t pid, int op, char *buffer, int nbytes
int posix_open(int pid, int flags)
{
if (pid == KERNEL_PID_UNDEF) {
return -1;
}
return _posix_fileop((kernel_pid_t) pid, OPEN, flags);
}