/* * generic arrays */ #include #include #include /** * snd_array_new - get a new element from the given array * @array: the array object * * Get a new element from the given array. If it exceeds the * pre-allocated array size, re-allocate the array. * * Returns NULL if allocation failed. */ void *snd_array_new(struct snd_array *array) { if (snd_BUG_ON(!array->elem_size)) return NULL; if (array->used >= array->alloced) { int num = array->alloced + array->alloc_align; int oldsize = array->alloced * array->elem_size; int size = (num + 1) * array->elem_size; void *nlist; if (snd_BUG_ON(num >= 4096)) return NULL; nlist = krealloc(array->list, size, GFP_KERNEL); if (!nlist) return NULL; memset(nlist + oldsize, 0, size - oldsize); array->list = nlist; array->alloced = num; } return snd_array_elem(array, array->used++); } EXPORT_SYMBOL_GPL(snd_array_new); /** * snd_array_free - free the given array elements * @array: the array object */ void snd_array_free(struct snd_array *array) { kfree(array->list); array->used = 0; array->alloced = 0; array->list = NULL; } EXPORT_SYMBOL_GPL(snd_array_free); move net-next plumbingsTobias Klauser
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authorRafał Miłecki <rafal@milecki.pl>2017-01-28 14:31:22 +0100
committerKalle Valo <kvalo@codeaurora.org>2017-01-31 09:27:09 +0200
commita971df0b9d04674e325346c17de9a895425ca5e1 (patch)
treeeda823e66ba32740c28a8ce4113b27caaa969423 /drivers/usb/common
parent2a2a5d1835b6f0baa0e207426d3c79eefd32e253 (diff)
bcma: use (get|put)_device when probing/removing device driver
This allows tracking device state and e.g. makes devm work as expected. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/usb/common')