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Smatch reports below warnings [1] wrt dereferencing rm_res when it can potentially be ERR_PTR(). This is possible when entire range is allocated to Linux Fix this case by making sure, there is no deference of rm_res when its ERR_PTR(). [1]: drivers/dma/ti/k3-udma.c:4524 udma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4537 udma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4681 bcdma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4696 bcdma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4711 bcdma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4848 pktdma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() drivers/dma/ti/k3-udma.c:4861 pktdma_setup_resources() error: 'rm_res' dereferencing possible ERR_PTR() Reported-by: Nishanth Menon <nm@ti.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com> Link: https://lore.kernel.org/r/20211209180957.29036-1-vigneshr@ti.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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| .. | ||
| cppi41.c | ||
| dma-crossbar.c | ||
| edma.c | ||
| k3-psil-am64.c | ||
| k3-psil-am654.c | ||
| k3-psil-j721e.c | ||
| k3-psil-j7200.c | ||
| k3-psil-priv.h | ||
| k3-psil.c | ||
| k3-udma-glue.c | ||
| k3-udma-private.c | ||
| k3-udma.c | ||
| k3-udma.h | ||
| Kconfig | ||
| Makefile | ||
| omap-dma.c | ||