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lib: os: mpsc_pbuf: Add const to mpsc_pbuf_free argument 

Added const qualifier to argument in a function.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2021-11-10 06:39:24 +01:00 committed by Christopher Friedt
parent feb1630492
commit 4bc2808291
2 changed files with 6 additions and 5 deletions
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2
include/sys/mpsc_pbuf.h
View File

@ -226,7 +226,7 @@ const union mpsc_pbuf_generic *mpsc_pbuf_claim(struct mpsc_pbuf_buffer *buffer);
* @param packet Packet.
*/
void mpsc_pbuf_free(struct mpsc_pbuf_buffer *buffer,
union mpsc_pbuf_generic *packet);
const union mpsc_pbuf_generic *packet);
/** @brief Check if there are any message pending.
*

9
lib/os/mpsc_pbuf.c
View File

@ -444,18 +444,19 @@ const union mpsc_pbuf_generic *mpsc_pbuf_claim(struct mpsc_pbuf_buffer *buffer)
}
void mpsc_pbuf_free(struct mpsc_pbuf_buffer *buffer,
union mpsc_pbuf_generic *item)
const union mpsc_pbuf_generic *item)
{
uint32_t wlen = buffer->get_wlen(item);
k_spinlock_key_t key = k_spin_lock(&buffer->lock);
union mpsc_pbuf_generic *witem = (union mpsc_pbuf_generic *)item;
item->hdr.valid = 0;
witem->hdr.valid = 0;
if (!(buffer->flags & MPSC_PBUF_MODE_OVERWRITE) ||
((uint32_t *)item == &buffer->buf[buffer->rd_idx])) {
item->hdr.busy = 0;
witem->hdr.busy = 0;
buffer->rd_idx = idx_inc(buffer, buffer->rd_idx, wlen);
} else {
item->skip.len = wlen;
witem->skip.len = wlen;
}
MPSC_PBUF_DBG(buffer, "freed: %p ", item);