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stlink: avoid null pointer dereference in stlink_usb_close() 

Otherwise it happens if stlink can not be opened on start.

Change-Id: I7088f10e61508dae230eccfe576a51498c92f5b8
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2550
Tested-by: jenkins
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-by: Stian Skjelstad <stian@nixia.no>
This commit is contained in:
Paul Fertser 2015-02-15 21:37:16 +03:00
parent b4b1976e4e
commit d019080dfa
1 changed files with 4 additions and 4 deletions
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8
src/jtag/drivers/stlink_usb.c
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@ -1664,14 +1664,14 @@ static int stlink_speed(void *handle, int khz, bool query)
} }
/** */ /** */
static int stlink_usb_close(void *fd) static int stlink_usb_close(void *handle)
{ {
struct stlink_usb_handle_s *h = fd; struct stlink_usb_handle_s *h = handle;
if (h->fd) if (h && h->fd)
jtag_libusb_close(h->fd); jtag_libusb_close(h->fd);
free(fd); free(h);
return ERROR_OK; return ERROR_OK;
} }