i2o_dma_realloc9
Realloc dma memory
Usage
int i2o_dma_realloc(struct device * dev, struct i2o_dma * addr, size_t len, gfp_t gfp_mask);
Arguments
dev
struct device pointer to the PCI device of the I2O controller
addr
pointer to a i2o_dma struct DMA buffer
len
new length of memory
gfp_mask
GFP mask
Overview
If there was something allocated in the addr, free it first. If len > 0 than try to allocate it and write the addresses back to the addr structure. If len == 0 set the virtual address to NULL.
Returns the 0 on success or negative error code on failure.
Releases
2 releases since Debian 4.0 (Etch); the text changed 1 time.