staging: sep: NULL out pointers, mark debug code DEBUG to fix warnings
[This is picked out of the differences between the upstream driver and the staging driver. I'm resolving the differences as a series of updates -AC] Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 11 additions and 4 deletions
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@ -40,6 +40,7 @@
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/* #define SEP_PERF_DEBUG */
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/miscdevice.h>
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#include <linux/fs.h>
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@ -197,9 +198,9 @@ static int sep_allocate_dmatables_region(struct sep_device *sep,
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struct sep_dma_context *dma_ctx,
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const u32 table_count)
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{
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const size_t new_len = table_count *
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sizeof(struct sep_lli_entry) *
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SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP;
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const size_t new_len =
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SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES - 1;
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void *tmp_region = NULL;
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dev_dbg(&sep->pdev->dev, "[PID%d] dma_ctx = 0x%p\n",
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@ -230,6 +231,7 @@ static int sep_allocate_dmatables_region(struct sep_device *sep,
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if (*dmatables_region) {
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memcpy(tmp_region, *dmatables_region, dma_ctx->dmatables_len);
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kfree(*dmatables_region);
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*dmatables_region = NULL;
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}
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*dmatables_region = tmp_region;
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@ -342,11 +344,12 @@ static void _sep_dump_message(struct sep_device *sep)
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u32 *p = sep->shared_addr;
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for (count = 0; count < 40 * 4; count += 4)
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for (count = 0; count < 10 * 4; count += 4)
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dev_dbg(&sep->pdev->dev,
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"[PID%d] Word %d of the message is %x\n",
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current->pid, count/4, *p++);
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}
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#endif
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/**
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@ -384,6 +387,8 @@ static void sep_unmap_and_free_shared_area(struct sep_device *sep)
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sep->shared_addr, sep->shared_bus);
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}
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#ifdef DEBUG
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/**
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* sep_shared_bus_to_virt - convert bus/virt addresses
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* @sep: pointer to struct sep_device
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@ -398,6 +403,8 @@ static void *sep_shared_bus_to_virt(struct sep_device *sep,
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return sep->shared_addr + (bus_address - sep->shared_bus);
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}
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#endif
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/**
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* sep_open - device open method
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* @inode: inode of SEP device
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