tree 6a923d987e6f265bcd966d5cc5e1cd608e6110af
parent 39d2a7898d7fb61276ec766046940dda9080fd4b
author Colin Ian King <colin.king@canonical.com> 1618243812 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1618550810 +0200

habanalabs/gaudi: Fix uninitialized return code rc when read size is zero

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>