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net/ice/base: fix zeroing bitmap

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Fix ice_zero_bitmap to zero the entire storage.

Fixes: c9e37832c9 ("net/ice/base: rework on bit ops")
Cc: stable@dpdk.org

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Leyi Rong 2019-06-19 23:18:35 +08:00 committed by Ferruh Yigit
parent a609b21fe0
commit 6567f9d59a
1 changed files with 6 additions and 13 deletions
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19
drivers/net/ice/base/ice_bitops.h
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@ -147,22 +147,15 @@ ice_test_and_set_bit(u16 nr, ice_bitmap_t *bitmap)
* @bmp: bitmap to set zeros
* @size: Size of the bitmaps in bits
*
* This function sets bits of a bitmap to zero.
* Set all of the bits in a bitmap to zero. Note that this function assumes it
* operates on an ice_bitmap_t which was declared using ice_declare_bitmap. It
* will zero every bit in the last chunk, even if those bits are beyond the
* size.
*/
static inline void ice_zero_bitmap(ice_bitmap_t *bmp, u16 size)
{
ice_bitmap_t mask;
u16 i;
/* Handle all but last chunk*/
for (i = 0; i < BITS_TO_CHUNKS(size) - 1; i++)
bmp[i] = 0;
/* For the last chunk, we want to take care of not to modify bits
* outside the size boundary. ~mask take care of all the bits outside
* the boundary.
*/
mask = LAST_CHUNK_MASK(size);
bmp[i] &= ~mask;
ice_memset(bmp, 0, BITS_TO_CHUNKS(size) * sizeof(ice_bitmap_t),
ICE_NONDMA_MEM);
}
/**