ibmvnic: fix login buffer memory leak

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Commit 34f0f4e3f4 ("ibmvnic: Fix login buffer memory leaks") frees
login_rsp_buffer in release_resources() and send_login()
because handle_login_rsp() does not free it.
Commit f3ae59c0c0 ("ibmvnic: store RX and TX subCRQ handle array in
ibmvnic_adapter struct") frees login_rsp_buffer in handle_login_rsp().
It seems unnecessary to free it in release_resources() and send_login().
There are chances that handle_login_rsp returns earlier without freeing
buffers. Double-checking the buffer is harmless since
release_login_buffer and release_login_rsp_buffer will
do nothing if buffer is already freed.

Fixes: f3ae59c0c0 ("ibmvnic: store RX and TX subCRQ handle array in ibmvnic_adapter struct")
Fixes: 34f0f4e3f4 ("ibmvnic: Fix login buffer memory leaks")
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Link: https://lore.kernel.org/r/20201219213919.21045-1-ljp@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Lijun Pan 2020-12-19 15:39:19 -06:00 • committed by Jakub Kicinski

parent 8b0f64b113

commit a0c8be56af

1 changed files with 3 additions and 0 deletions

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drivers/net/ethernet/ibm/ibmvnic.c

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