accel/qaic: Fix a leak in map_user_pages()

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commit 73274c33d9 upstream.

If get_user_pages_fast() allocates some pages but not as many as we
wanted, then the current code leaks those pages.  Call put_page() on
the pages before returning.

Fixes: 129776ac2e ("accel/qaic: Add control path")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Cc: stable@vger.kernel.org # 6.4.x
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZK0Q+ZuONTsBG+1T@moroto
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Dan Carpenter 2023-07-11 11:21:13 +03:00 • committed by Greg Kroah-Hartman

parent 53db363202

commit cdcba752a3

1 changed files with 5 additions and 2 deletions

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drivers/accel/qaic/qaic_control.c

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