mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-30 19:51:31 -04:00
tools lib traceevent: Check return value of realloc()
If realloc() fails, it'll leak the buffer. Also increate buffer size only if the allocation succeeded. Signed-off-by: Namhyung Kim <[email protected]> Reviewed-by: Jiri Olsa <[email protected]> Acked-by: Steven Rostedt <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Steven Rostedt <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
parent
3c6d8d8442
commit
3026bba3c3
1 changed files with 9 additions and 4 deletions
|
|
@ -91,11 +91,16 @@ void trace_seq_destroy(struct trace_seq *s)
|
|||
|
||||
static void expand_buffer(struct trace_seq *s)
|
||||
{
|
||||
s->buffer_size += TRACE_SEQ_BUF_SIZE;
|
||||
s->buffer = realloc(s->buffer, s->buffer_size);
|
||||
if (WARN_ONCE(!s->buffer,
|
||||
"Can't allocate trace_seq buffer memory"))
|
||||
char *buf;
|
||||
|
||||
buf = realloc(s->buffer, s->buffer_size + TRACE_SEQ_BUF_SIZE);
|
||||
if (WARN_ONCE(!buf, "Can't allocate trace_seq buffer memory")) {
|
||||
s->state = TRACE_SEQ__MEM_ALLOC_FAILED;
|
||||
return;
|
||||
}
|
||||
|
||||
s->buffer = buf;
|
||||
s->buffer_size += TRACE_SEQ_BUF_SIZE;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Reference in a new issue