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ethercat
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Fixed NULL pointer dereference on request error in RTAI example.

This commit is contained in:
Florian Pose 2010-06-01 22:51:51 +02:00
parent ca921529a2
commit db3b881e6b
1 changed files with 4 additions and 4 deletions
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8
examples/rtai/rtai_sample.c
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@ -76,8 +76,8 @@ static cycles_t t_last_cycle = 0, t_critical;
// process data
static uint8_t *domain1_pd; // process data memory
#define AnaInSlavePos 0, 1
#define DigOutSlavePos 0, 3
#define AnaInSlavePos 0, 3
#define DigOutSlavePos 0, 2
#define Beckhoff_EL2004 0x00000002, 0x07D43052
#define Beckhoff_EL3162 0x00000002, 0x0C5A3052
@ -286,8 +286,8 @@ int __init init_mod(void)
t_critical = cpu_khz * 1000 / FREQUENCY - cpu_khz * INHIBIT_TIME / 1000;
master = ecrt_request_master(0);
if (IS_ERR(master)) {
ret = PTR_ERR(master);
if (!master) {
ret = -EBUSY;
printk(KERN_ERR PFX "Requesting master 0 failed!\n");
goto out_return;
}