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hid: intel-ish-hid: Fix uninitialized variable 'rv' in ish_fw_xfer_direct_dma

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commit d41bff05a6 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: 91b228107d ("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>
This commit is contained in:
SurajSonawane2415 2024-10-04 13:29:44 +05:30 committed by Greg Kroah-Hartman
parent 192d1b8d7a
commit 957d6a2f28
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/intel-ish-hid/ishtp-fw-loader.c
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@ -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;