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lightnvm: pblk: fix resource leak of invalid_bitmap

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Currently the error exit path when the emeta could not be
interpreted is via fail_free_ws and this fails to free
invalid_bitmap.  Fix this by adding another exit label and
exiting via this to kfree invalid_bitmap.

Detected by CoverityScan, CID#1469659 ("Resource leak")

Fixes: 48b8d20895 ("lightnvm: pblk: garbage collect lines with failed writes")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Colin Ian King 2018-06-05 16:14:56 +01:00 committed by Jens Axboe
parent 21ff1399ad
commit 0ec6937e8e
1 changed files with 2 additions and 1 deletions
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3
drivers/lightnvm/pblk-gc.c
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@ -203,7 +203,7 @@ static void pblk_gc_line_prepare_ws(struct work_struct *work)
if (!lba_list) {
pr_err("pblk: could not interpret emeta (line %d)\n",
line->id);
goto fail_free_ws;
goto fail_free_invalid_bitmap;
}
}
@ -280,6 +280,7 @@ fail_free_gc_rq:
kfree(gc_rq);
fail_free_lba_list:
pblk_mfree(lba_list, l_mg->emeta_alloc_type);
fail_free_invalid_bitmap:
kfree(invalid_bitmap);
fail_free_ws:
kfree(line_ws);