[Coverity CID :207989] Dereference after null check in drivers/sensor/sensor_shell.c

[zephyrbot]

Static code scan issues found in file:

https://github.com/zephyrproject-rtos/zephyr/tree/a3e89e84a801d9bc048b0ee2177f0fb11d1a925a/drivers/sensor/sensor_shell.c#L108

Category: Null pointer dereferences
Function: cmd_get_sensor
Component: Drivers
CID: 207989

Details:

102    
103         dev = device_get_binding(argv[1]);
104         if (dev == NULL) {
105             shell_error(shell, "Device unknown (%s)", argv[1]);
106         }
107    
>>>     CID 207989:  Null pointer dereferences  (FORWARD_NULL)
>>>     Passing null pointer "dev" to "sensor_sample_fetch", which dereferences it.
108         err = sensor_sample_fetch(dev);
109         if (err < 0) {
110             shell_error(shell, "Failed to read sensor");
111         }
112    
113         if (argc == 2) {

Please fix or provide comments in coverity using the link:

https://scan9.coverity.com/reports.htm#v32951/p12996.

Note: This issue was created automatically. Priority was set based on classification
of the file affected and the impact field in coverity. Assignees were set using the CODEOWNERS file.