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tools lib traceevent: Fix conversion of pointer to integer of different size

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gcc complaint on 32-bit system:

  /home/acme/git/linux/tools/lib/traceevent/event-parse.c: In function ‘eval_num_arg’:
  /home/acme/git/linux/tools/lib/traceevent/event-parse.c:3468:9: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]

This is because the eval_num_arg returns everything as an 'unsigned long long',
so it converts a void pointer to a wider integer, fix it by converting the void
pointer to an integer of the same size, 'unsigned long', before casting it to
'unsigned long long'.

Acked-by: Steven Rostedt <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo 2013-11-19 16:14:51 -03:00
commit 6b5fa0ba4f
1 changed files with 1 additions and 1 deletions
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2
tools/lib/traceevent/event-parse.c
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@ -3465,7 +3465,7 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
* is in the bottom half of the 32 bit field.
*/
offset &= 0xffff;
val = (unsigned long long)(data + offset);
val = (unsigned long long)((unsigned long)data + offset);
break;
default: /* not sure what to do there */
return 0;