diff options
| author | Sergey Senozhatsky <senozhatsky@chromium.org> | 2024-10-09 07:51:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-17 16:24:14 +0300 |
| commit | 6272936fd242ca1f784c3e21596dfb3859dff276 (patch) | |
| tree | bad49b1210e0b119aa58393d34fa63fbb97e3f95 /drivers | |
| parent | c556e72cea2a1131ae418be017dd6fc76fffe2fb (diff) | |
| download | linux-6272936fd242ca1f784c3e21596dfb3859dff276.tar.xz | |
zram: free secondary algorithms names
[ Upstream commit 684826f8271ad97580b138b9ffd462005e470b99 ]
We need to kfree() secondary algorithms names when reset zram device that
had multi-streams, otherwise we leak memory.
[senozhatsky@chromium.org: kfree(NULL) is legal]
Link: https://lkml.kernel.org/r/20240917013021.868769-1-senozhatsky@chromium.org
Link: https://lkml.kernel.org/r/20240911025600.3681789-1-senozhatsky@chromium.org
Fixes: 001d92735701 ("zram: add recompression algorithm sysfs knob")
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 06673c6ca255..db729035fd6b 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1983,6 +1983,11 @@ static void zram_destroy_comps(struct zram *zram) zcomp_destroy(comp); zram->num_active_comps--; } + + for (prio = ZRAM_SECONDARY_COMP; prio < ZRAM_MAX_COMPS; prio++) { + kfree(zram->comp_algs[prio]); + zram->comp_algs[prio] = NULL; + } } static void zram_reset_device(struct zram *zram) |