Commit-ID:  6b5fa0ba4f85a8499287aefaf3f1375450c40c6d
Gitweb:     http://git.kernel.org/tip/6b5fa0ba4f85a8499287aefaf3f1375450c40c6d
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Tue, 19 Nov 2013 16:14:51 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Tue, 19 Nov 2013 16:37:59 -0300

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

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]>
---
 tools/lib/traceevent/event-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/traceevent/event-parse.c 
b/tools/lib/traceevent/event-parse.c
index 8a5b65d..217c82e 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -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;
--
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