Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 13/13] tools lib traceevent: fix pointer-integer size mismatch | Date | Wed, 15 Jan 2014 17:33:11 -0300 |
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From: Mark Rutland <mark.rutland@arm.com>
The scsi and cfg80211 plugins cast between unsigned long long and pointers, which is problematic for architectures where unsigned long long is wider than the native pointer size:
linux/tools/lib/traceevent/plugin_scsi.c: In function ‘process_scsi_trace_parse_cdb’: linux/tools/lib/traceevent/plugin_scsi.c:408:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] scsi_trace_parse_cdb(s, (unsigned char *) args[1], args[2]);
linux/tools/lib/traceevent/plugin_cfg80211.c: In function ‘process___le16_to_cpup’: linux/tools/lib/traceevent/plugin_cfg80211.c:11:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] uint16_t *val = (uint16_t *) args[0];
This patch adds an intermediate cast to unsigned long, silencing the warning.
Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/1389782648-4417-3-git-send-email-mark.rutland@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/lib/traceevent/plugin_cfg80211.c | 2 +- tools/lib/traceevent/plugin_scsi.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/lib/traceevent/plugin_cfg80211.c b/tools/lib/traceevent/plugin_cfg80211.c index dcab8e873c21..57e98221db20 100644 --- a/tools/lib/traceevent/plugin_cfg80211.c +++ b/tools/lib/traceevent/plugin_cfg80211.c @@ -8,7 +8,7 @@ static unsigned long long process___le16_to_cpup(struct trace_seq *s, unsigned long long *args) { - uint16_t *val = (uint16_t *) args[0]; + uint16_t *val = (uint16_t *) (unsigned long) args[0]; return val ? (long long) le16toh(*val) : 0; } diff --git a/tools/lib/traceevent/plugin_scsi.c b/tools/lib/traceevent/plugin_scsi.c index 6fb8e3e3fcad..7ef16cc96562 100644 --- a/tools/lib/traceevent/plugin_scsi.c +++ b/tools/lib/traceevent/plugin_scsi.c @@ -405,7 +405,7 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len) unsigned long long process_scsi_trace_parse_cdb(struct trace_seq *s, unsigned long long *args) { - scsi_trace_parse_cdb(s, (unsigned char *) args[1], args[2]); + scsi_trace_parse_cdb(s, (unsigned char *) (unsigned long) args[1], args[2]); return 0; } -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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