In the case where size is zero the while loop never assigns rc and the
return value is uninitialized. Fix this by initializing rc to zero.
Fixes:
639781dcab82 ("habanalabs/gaudi: add debugfs to DMA from the device")
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Uninitialized scalar variable")
Link: https://lore.kernel.org/r/20210412161012.1628202-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dma_addr_t dma_addr;
void *kernel_addr;
bool is_eng_idle;
- int rc, dma_id;
+ int rc = 0, dma_id;
kernel_addr = hdev->asic_funcs->asic_dma_alloc_coherent(
hdev, SZ_2M,