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leon,grtm: ioctl() shouldn't access pointer before validated

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This is a fix for a coverity warning
This commit is contained in:
Daniel Hellstrom
2017-02-03 08:53:35 +01:00
parent fec8288f51
commit cc8a50ab5c
1 changed files with 2 additions and 1 deletions
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3
c/src/lib/libbsp/sparc/shared/tmtc/grtm.c
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@@ -1188,7 +1188,7 @@ static rtems_device_driver grtm_ioctl(rtems_device_major_number major, rtems_dev
struct grtm_priv *pDev;
struct drvmgr_dev *dev;
rtems_libio_ioctl_args_t *ioarg = (rtems_libio_ioctl_args_t *)arg;
unsigned int *data = ioarg->buffer;
unsigned int *data;
int status;
struct grtm_ioc_config *cfg;
struct grtm_ioc_hw_status *hwregs;
@@ -1209,6 +1209,7 @@ static rtems_device_driver grtm_ioctl(rtems_device_major_number major, rtems_dev
if (!ioarg)
return RTEMS_INVALID_NAME;
data = ioarg->buffer;
ioarg->ioctl_return = 0;
switch(ioarg->command) {
case GRTM_IOC_START: