From: Keith Busch kbusch@kernel.org
[ Upstream commit 15755854d53b4bbb0bb37a0fce66f0156cfc8a17 ]
gcc may detect a false positive on nvme using an unintialized variable if setting features fails. Since this is not a fast path, explicitly initialize this variable to suppress the warning.
Reported-by: Arnd Bergmann arnd@arndb.de Reviewed-by: Christoph Hellwig hch@lst.de Signed-off-by: Keith Busch kbusch@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/nvme/host/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 641c07347e8d8..187613beffcab 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1165,8 +1165,8 @@ static int nvme_identify_ns(struct nvme_ctrl *ctrl, static int nvme_features(struct nvme_ctrl *dev, u8 op, unsigned int fid, unsigned int dword11, void *buffer, size_t buflen, u32 *result) { + union nvme_result res = { 0 }; struct nvme_command c; - union nvme_result res; int ret;
memset(&c, 0, sizeof(c));