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perf/core: Fix address filter parser for multiple filters

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[ Upstream commit d680ff24e9e14444c63945b43a37ede7cd6958f9 ]

Reset appropriate variables in the parser loop between parsing separate
filters, so that they do not interfere with parsing the next filter.

Fixes: 375637bc524952 ("perf/core: Introduce address range filtering")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220131072453.2839535-4-adrian.hunter@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Adrian Hunter 2022-01-31 09:24:51 +02:00 committed by Greg Kroah-Hartman
parent 7e6b03b479
commit f6d08dece7
1 changed files with 3 additions and 0 deletions
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3
kernel/events/core.c
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@ -8306,8 +8306,11 @@ perf_event_parse_addr_filter(struct perf_event *event, char *fstr,
}
/* ready to consume more filters */
kfree(filename);
filename = NULL;
state = IF_STATE_ACTION;
filter = NULL;
kernel = 0;
}
}