[PATCH 43/44] leon, grtm: ioctl() shouldn't access pointer before validated
Daniel Hellstrom
daniel at gaisler.com
Fri Mar 3 14:57:16 UTC 2017
This is a fix for a coverity warning
---
c/src/lib/libbsp/sparc/shared/tmtc/grtm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/c/src/lib/libbsp/sparc/shared/tmtc/grtm.c b/c/src/lib/libbsp/sparc/shared/tmtc/grtm.c
index 48b4631..a1038d4 100644
--- a/c/src/lib/libbsp/sparc/shared/tmtc/grtm.c
+++ b/c/src/lib/libbsp/sparc/shared/tmtc/grtm.c
@@ -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:
--
2.7.4
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