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| author |   Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-11-21 16:59:12 +0100 |
|---|---|---|
| committer |   Miquel Raynal <miquel.raynal@bootlin.com> | 2021-12-09 17:52:29 +0100 |
| commit | dd8a2e884a462c09a562f04927cb227e3cdaa498 (patch) | |
| tree | 016bcb291cf2887f00fd34d82197e73f6eb688f0 /drivers/mtd/chips/gen_probe.c | |
| parent | mtd: Introduce an expert mode for forensics and debugging purposes (diff) | |
| download | linux-dev-dd8a2e884a462c09a562f04927cb227e3cdaa498.tar.xz linux-dev-dd8a2e884a462c09a562f04927cb227e3cdaa498.zip | |
mtd: gen_probe: Use bitmap_zalloc() when applicable
'chip_map' is a bitmap. So use 'bitmap_zalloc()' to simplify code,
improve the semantic and avoid some open-coded arithmetic in allocator
arguments.
Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
consistency.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/a6fe58dffe553a3e79303777d3ba9c60d7613c5b.1637510255.git.christophe.jaillet@wanadoo.fr
Diffstat (limited to '')
| -rw-r--r-- | drivers/mtd/chips/gen_probe.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c index e5bd3c2bc3b2..4d4f97841016 100644 --- a/drivers/mtd/chips/gen_probe.c +++ b/drivers/mtd/chips/gen_probe.c @@ -61,8 +61,8 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi struct cfi_private cfi; struct cfi_private *retcfi; unsigned long *chip_map; - int i, j, mapsize; int max_chips; + int i, j; memset(&cfi, 0, sizeof(cfi)); @@ -111,8 +111,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi max_chips = 1; } - mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG); - chip_map = kzalloc(mapsize, GFP_KERNEL); + chip_map = bitmap_zalloc(max_chips, GFP_KERNEL); if (!chip_map) { kfree(cfi.cfiq); return NULL; @@ -139,7 +138,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi if (!retcfi) { kfree(cfi.cfiq); - kfree(chip_map); + bitmap_free(chip_map); return NULL; } @@ -157,7 +156,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi } } - kfree(chip_map); + bitmap_free(chip_map); return retcfi; } |