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authorAdrian Hunter <adrian.hunter@intel.com>2022-01-31 09:24:51 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-02-02 13:11:42 +0100
commitd680ff24e9e14444c63945b43a37ede7cd6958f9 (patch)
tree0033b42173266bf4fb1e3e372794b00dce78d8ab /kernel/events
parent1fb85d06ad6754796cd1b920639ca9d8840abefd (diff)
perf/core: Fix address filter parser for multiple filters
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
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 76c754e45d01..2889b82fb75e 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -10558,8 +10558,11 @@ 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;
}
}