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target: Fix segfault for 'mem2array' 

Call 'mem2array' without arguments to reproduce the segmentation
fault.

Change-Id: I02bf46cc8bd317abbb721a8c75d7cbfac99eb34e
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/4534
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Christopher Head <chead@zaber.com>
This commit is contained in:
Marc Schink 2018-04-04 09:50:40 +02:00 committed by Tomas Vanek
parent d293583e03
commit abc270c883
1 changed files with 2 additions and 1 deletions
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3
src/target/target.c
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@ -4131,8 +4131,9 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc,
* argv[3] = memory address * argv[3] = memory address
* argv[4] = count of times to read * argv[4] = count of times to read
*/ */
if (argc < 4 || argc > 5) { if (argc < 4 || argc > 5) {
Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems [phys]"); Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]");
return JIM_ERR; return JIM_ERR;
} }
varname = Jim_GetString(argv[0], &len); varname = Jim_GetString(argv[0], &len);