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ceb75476db
Based on the following report from Smatch, fix the potential NULL pointer dereference check. tools/perf/ui/browsers/hists.c:641 hist_browser__run() error: we previously assumed 'hbt' could be null (see line 625) tools/perf/ui/browsers/hists.c:3088 perf_evsel__hists_browse() error: we previously assumed 'browser->he_selection' could be null (see line 2902) tools/perf/ui/browsers/hists.c:3272 perf_evsel_menu__run() error: we previously assumed 'hbt' could be null (see line 3260) This patch firstly validating the pointers before access them, so can fix potential NULL pointer dereference. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20190708143937.7722-2-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| .. | ||
| browsers | ||
| gtk | ||
| stdio | ||
| tui | ||
| browser.c | ||
| browser.h | ||
| Build | ||
| helpline.c | ||
| helpline.h | ||
| hist.c | ||
| keysyms.h | ||
| libslang.h | ||
| progress.c | ||
| progress.h | ||
| setup.c | ||
| ui.h | ||
| util.c | ||
| util.h | ||