Re: [PATCH] net: ipa: Use 'for_each_clear_bit' when possible

From: Alex Elder
Date: Fri Nov 19 2021 - 08:14:52 EST


On 11/18/21 1:37 PM, Christophe JAILLET wrote:
Use 'for_each_clear_bit()' instead of hand writing it. It is much less
version.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

I know this just got committed, but thanks, this
is a good improvement.

-Alex

---
drivers/net/ipa/ipa_mem.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index 4337b0920d3d..1e9eae208e44 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -266,9 +266,7 @@ static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data)
}
/* Now see if any required regions are not defined */
- for (mem_id = find_first_zero_bit(regions, IPA_MEM_COUNT);
- mem_id < IPA_MEM_COUNT;
- mem_id = find_next_zero_bit(regions, IPA_MEM_COUNT, mem_id + 1)) {
+ for_each_clear_bit(mem_id, regions, IPA_MEM_COUNT) {
if (ipa_mem_id_required(ipa, mem_id))
dev_err(dev, "required memory region %u missing\n",
mem_id);