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| /openbmc/linux/drivers/i3c/master/ |
| H A D | dw-i3c-master.c | diff 13462ba1815db5a96891293a9cfaa2451f7bd623 Sat Jan 08 09:09:48 CST 2022 Tom Rix <trix@redhat.com> i3c: master: dw: check return of dw_i3c_master_get_free_pos()
Clang static analysis reports this problem
dw-i3c-master.c:799:9: warning: The result of the left shift is
undefined because the left operand is negative
COMMAND_PORT_DEV_INDEX(pos) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~
pos can be negative because dw_i3c_master_get_free_pos() can return an
error. So check for an error.
Fixes: 1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220108150948.3988790-1-trix@redhat.com
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