zram: use IS_ERR_VALUE() to check for zs_malloc() errors

Avoid typecasts that are needed for IS_ERR() and use IS_ERR_VALUE()
instead.

Link: https://lkml.kernel.org/r/20221109115047.2921851-8-senozhatsky@chromium.org
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Alexey Romanov <avromanov@sberdevices.ru>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Suleiman Souhlal <suleiman@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 0ca0bf3..473fc5e 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1542,19 +1542,19 @@ compress_again:
         * if we have a 'non-null' handle here then we are coming
         * from the slow path and handle has already been allocated.
         */
-       if (IS_ERR((void *)handle))
+       if (IS_ERR_VALUE(handle))
                handle = zs_malloc(zram->mem_pool, comp_len,
                                __GFP_KSWAPD_RECLAIM |
                                __GFP_NOWARN |
                                __GFP_HIGHMEM |
                                __GFP_MOVABLE);
-       if (IS_ERR((void *)handle)) {
+       if (IS_ERR_VALUE(handle)) {
                zcomp_stream_put(zram->comps[ZRAM_PRIMARY_COMP]);
                atomic64_inc(&zram->stats.writestall);
                handle = zs_malloc(zram->mem_pool, comp_len,
                                GFP_NOIO | __GFP_HIGHMEM |
                                __GFP_MOVABLE);
-               if (IS_ERR((void *)handle))
+               if (IS_ERR_VALUE(handle))
                        return PTR_ERR((void *)handle);
 
                if (comp_len != PAGE_SIZE)