perf record: Zero out mmap_array to fix segfault
Reported-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Zhang Yanmin <yanmin_zhang@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1269557941-15617-6-git-send-email-acme@infradead.org> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -751,7 +751,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
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for (i = 0; i < MAX_NR_CPUS; i++) {
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for (j = 0; j < MAX_COUNTERS; j++) {
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fd[i][j] = malloc(sizeof(int)*thread_num);
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mmap_array[i][j] = malloc(
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mmap_array[i][j] = zalloc(
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sizeof(struct mmap_data)*thread_num);
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if (!fd[i][j] || !mmap_array[i][j])
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return -ENOMEM;
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@ -1371,7 +1371,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
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for (i = 0; i < MAX_NR_CPUS; i++) {
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for (j = 0; j < MAX_COUNTERS; j++) {
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fd[i][j] = malloc(sizeof(int)*thread_num);
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mmap_array[i][j] = malloc(
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mmap_array[i][j] = zalloc(
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sizeof(struct mmap_data)*thread_num);
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if (!fd[i][j] || !mmap_array[i][j])
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return -ENOMEM;
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