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net: wwan: iosm: Properly check for valid exec stage in ipc_mmio_init()
ipc_mmio_init() used the post-decrement operator in its loop continuing condition of "retries" counter being "> 0", which meant that when this condition caused loop exit "retries" counter reached -1. But the later valid exec stage failure check only tests for "retries" counter being exactly zero, so it didn't trigger in this case (but would wrongly trigger if the code reaches a valid exec stage in the very last loop iteration). Fix this by using the pre-decrement operator instead, so the loop counter is exactly zero on valid exec stage failure. Fixes: dc0514f ("net: iosm: mmio scratchpad") Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name> Link: https://patch.msgid.link/8b19125a825f9dcdd81c667c1e5c48ba28d505a6.1735490770.git.mail@maciej.szmigiero.name Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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