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jtag/hla_interface: avoid segfault with adapters that do not have configurable speed 

Change-Id: I0386cbfc85ba8b28d3819530f9950b31545d6821
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2468
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Paul Fertser 2015-01-17 21:54:29 +03:00 committed by Spencer Oliver
parent d61795c625
commit 9a160c6334
1 changed files with 3 additions and 0 deletions
src/jtag/hla
hla_interface.c

3
src/jtag/hla/hla_interface.c
View File

@ -150,6 +150,9 @@ int hl_interface_init_reset(void)
static int hl_interface_khz(int khz, int *jtag_speed) static int hl_interface_khz(int khz, int *jtag_speed)
{ {
if (hl_if.layout->api->speed == NULL)
return ERROR_OK;
*jtag_speed = hl_if.layout->api->speed(hl_if.handle, khz, true); *jtag_speed = hl_if.layout->api->speed(hl_if.handle, khz, true);
return ERROR_OK; return ERROR_OK;
} }