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Do not zero memory in umass_detach

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The detach function is called very often, for example from
get_capacity function. We don't want to loose any pointers
here, so disable detaching for umass driver.

Submitted by:  Wojciech Macek <wma@semihalf.com>
Obtained from: Semihalf
Sponsored by:  Juniper Networks Inc.
Differential Revision: https://reviews.freebsd.org/D4141
This commit is contained in:
zbb 2015-11-27 18:16:10 +00:00
parent dd8750b81e
commit b8c3342a32
1 changed files with 3 additions and 0 deletions
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3
sys/boot/usb/storage/umass_common.c
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@ -82,6 +82,9 @@ umass_attach(device_t dev)
static int static int
umass_detach(device_t dev) umass_detach(device_t dev)
{ {
#ifdef USB_DEBUG
memset(&umass_uaa, 0, sizeof(umass_uaa)); memset(&umass_uaa, 0, sizeof(umass_uaa));
#endif
return (0); return (0);
} }