Re: [PATCHv1 5/7] TAP: Extending tap device create/destroy APIs
flat view
From: Eric Dumazet <hidden>
Date: 2017-01-06 23:24:26
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lkml
On Fri, 2017-01-06 at 14:33 -0800, Sainath Grandhi wrote:
quoted hunk ↗ jump to hunk
+static int tap_list_add(dev_t major, const char *device_name) +{ + int err = 0; + struct major_info *tap_major; + + tap_major = kzalloc(sizeof(*tap_major), GFP_ATOMIC); + + tap_major->major = MAJOR(major); +
kzalloc() can perfectly return NULL. You do not want to crash it that happens.