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zram: Protect handle_decomp_fail behind a check

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the previous definitions as well as the creation of this is locked behind CONFIG_ZRAM_LRU_WRITEBACK as well

Change-Id: I869b5595f69cc481e93ca6862b460594762d9b25
Signed-off-by: Ruchit <risenid@duck.com>
This commit is contained in:
Ruchit 2024-02-21 21:17:01 +05:30 • committed by Ksawlii
parent 2cb2ac56fc
commit c94f14266e
1 changed files with 2 additions and 0 deletions
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2
drivers/block/zram/zram_drv.c
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@ -2969,10 +2969,12 @@ static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index,
zcomp_stream_put(zram->comp);
}
#ifdef CONFIG_ZRAM_LRU_WRITEBACK
/* Should NEVER happen. BUG() if it does. */
if (unlikely(ret))
handle_decomp_fail(zram->compressor, ret, index, src, size,
NULL);
#endif
zs_unmap_object(zram->mem_pool, handle);
#ifdef CONFIG_ZRAM_LRU_WRITEBACK