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| /linux/drivers/dma/ioat/ |
| H A D | init.c | diff b424d2a0a186e7fe4b70db1d616a39d4c3fefd31 Fri Dec 02 15:49:01 CET 2016 Pan Bian <bianpan2016@163.com> dmaengine: ioat: set error code on failures
In function ioat_dma_self_test(), when the calls to dma_mapping_error()
fails, the value of return variable err is 0 (indicates no error). As a
result, the return value may be inconsistent with the execution status.
This patch fixes the bug by assigning -ENOMEM to err on the error path.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188591
Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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