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authorSurajSonawane2415 <surajsonawane0215@gmail.com>2024-10-04 10:59:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-10-17 16:24:34 +0300
commitfb1643d00a505d54d90aa2a3470b35c8a0ff2ee5 (patch)
tree0bd2f3cbb90750260594b283cb581dc8b669751f
parent0b97fe09f09922b48d021fdf8f46fa8fc3fd6b68 (diff)
downloadlinux-fb1643d00a505d54d90aa2a3470b35c8a0ff2ee5.tar.xz
hid: intel-ish-hid: Fix uninitialized variable 'rv' in ish_fw_xfer_direct_dma
commit d41bff05a61fb539f21e9bf0d39fac77f457434e upstream. Fix the uninitialized symbol 'rv' in the function ish_fw_xfer_direct_dma to resolve the following warning from the smatch tool: drivers/hid/intel-ish-hid/ishtp-fw-loader.c:714 ish_fw_xfer_direct_dma() error: uninitialized symbol 'rv'. Initialize 'rv' to 0 to prevent undefined behavior from uninitialized access. Cc: stable@vger.kernel.org Fixes: 91b228107da3 ("HID: intel-ish-hid: ISH firmware loader client driver") Signed-off-by: SurajSonawane2415 <surajsonawane0215@gmail.com> Link: https://patch.msgid.link/20241004075944.44932-1-surajsonawane0215@gmail.com Signed-off-by: Benjamin Tissoires <bentiss@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/hid/intel-ish-hid/ishtp-fw-loader.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
index 16aa030af845..983be15fedcc 100644
--- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
+++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
@@ -635,7 +635,7 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data,
const struct firmware *fw,
const struct shim_fw_info fw_info)
{
- int rv;
+ int rv = 0;
void *dma_buf;
dma_addr_t dma_buf_phy;
u32 fragment_offset, fragment_size, payload_max_size;