On 17/07/2019 09:02, Vijay Kumar Banerjee wrote:
+ if (td != 0) {
+ if (cdev == NULL) {
+ error = ENXIO;
+ }
Suppose cdev == NULL, then you have a NULL pointer access here:
+ if (cdev->si_flags & SI_ALIAS) {
+ cdev = cdev->si_parent;
+ }
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