/* * 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); ue='nds-private-remove' selected='selected'>nds-private-remove net-next plumbingsTobias Klauser
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authorManuel Lauss <manuel.lauss@gmail.com>2017-01-24 10:12:00 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-01-24 10:27:34 -0800
commit3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c (patch)
treeb9387d85890c4466d9cf3d3145c95e0b07235234 /sound/pci/au88x0/au88x0.c
parent62ed8ceda1699acae01b666497f004bfd3d67a6f (diff)
Input: wm97xx - make missing platform data non-fatal
Commit 6480af4915d6 ("power_supply: wm97xx_battery: use power_supply_get_drvdata") made wm97xx platform data mandatory, although it's still optional. This patch fixes an oops during driver probe on one of my MIPS boards with a wm9712. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'sound/pci/au88x0/au88x0.c')