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net/ice/base: fix copying bitmap

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Fix ice_cp_bitmap to copy the entire storage.

Fixes: c9e37832c95f ("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 23:18:36 +08:00 committed by Ferruh Yigit
parent 6567f9d59a
commit 2c3d02ca80
1 changed files with 5 additions and 12 deletions
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17
drivers/net/ice/base/ice_bitops.h
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@ -306,21 +306,14 @@ static inline bool ice_is_any_bit_set(ice_bitmap_t *bitmap, u16 size)
* @src: bitmap to copy from
* @size: Size of the bitmaps in bits
*
* This function copy bitmap from src to dst.
* This function copy bitmap from src to dst. Note that this function assumes
* it is operating on a bitmap declared using ice_declare_bitmap. It will copy
* the entire last chunk even if this contains bits beyond the size.
*/
static inline void ice_cp_bitmap(ice_bitmap_t *dst, ice_bitmap_t *src, u16 size)
{
ice_bitmap_t mask;
u16 i;
/* Handle all but last chunk*/
for (i = 0; i < BITS_TO_CHUNKS(size) - 1; i++)
dst[i] = src[i];
/* We want to only copy bits within the size.*/
mask = LAST_CHUNK_MASK(size);
dst[i] &= ~mask;
dst[i] |= src[i] & mask;
ice_memcpy(dst, src, BITS_TO_CHUNKS(size) * sizeof(ice_bitmap_t),
ICE_NONDMA_TO_NONDMA);
}
/**