diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-11-08 22:10:42 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-04 03:31:46 +0400 |
| commit | 9834f81314b2a5b1bb3cd0d8f46e61528b60d580 (patch) | |
| tree | 6fb62c450a3a6587b312d2f0542b4fe25af7767d /arch/arm/plat-omap/dma.c | |
| parent | 0ef64986d69602ba8df933c62d0b6d6edfaf0557 (diff) | |
| download | linux-9834f81314b2a5b1bb3cd0d8f46e61528b60d580.tar.xz | |
ARM: omap: move dma channel allocation into plat-omap code
This really needs to be there, because otherwise the plat-omap code can
kfree() this data structure, and then re-use the pointer later.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index d4d9a5e62152..5f5b975887fc 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -2030,9 +2030,16 @@ static int omap_system_dma_probe(struct platform_device *pdev) dma_lch_count = d->lch_count; dma_chan_count = dma_lch_count; - dma_chan = d->chan; enable_1510_mode = d->dev_caps & ENABLE_1510_MODE; + dma_chan = devm_kcalloc(&pdev->dev, dma_lch_count, + sizeof(struct omap_dma_lch), GFP_KERNEL); + if (!dma_chan) { + dev_err(&pdev->dev, "%s: kzalloc fail\n", __func__); + return -ENOMEM; + } + + if (dma_omap2plus()) { dma_linked_lch = kzalloc(sizeof(struct dma_link_info) * dma_lch_count, GFP_KERNEL); @@ -2117,7 +2124,6 @@ exit_dma_irq_fail: } exit_dma_lch_fail: - kfree(dma_chan); return ret; } @@ -2137,7 +2143,6 @@ static int omap_system_dma_remove(struct platform_device *pdev) free_irq(dma_irq, (void *)(irq_rel + 1)); } } - kfree(dma_chan); return 0; } |