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authorBenedikt Niedermayr <benedikt.niedermayr@siemens.com>2022-12-09 14:28:28 +0300
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2022-12-27 11:51:24 +0300
commit827e0920dbfb0d92416e56081d70745597403446 (patch)
tree9c79dc8198a1ff2b627cd3a4ed86c76b060e6696 /drivers/memory
parent1b929c02afd37871d5afb9d498426f83432e71c2 (diff)
downloadlinux-827e0920dbfb0d92416e56081d70745597403446.tar.xz
memory: omap-gpmc: fix wait pin validation
This bug has been introduced after switching from -1 to UINT_MAX for GPMC_WAITPIN_INVALID. The bug leads to an error when the optional gpmc,wait-pin dt-property is not used: ... gpmc_cs_program_settings: invalid wait-pin (-1) ... Signed-off-by: Benedikt Niedermayr <benedikt.niedermayr@siemens.com> Fixes: 8dd7e4af5853 ("memory: omap-gpmc: fix coverity issue "Control flow issues"") Acked-by: Roger Quadros <rogerq@kernel.org> Tested-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20221209112828.581491-1-benedikt.niedermayr@siemens.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/omap-gpmc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index 57d9f91fe89b..d78f73db37c8 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -1918,7 +1918,8 @@ int gpmc_cs_program_settings(int cs, struct gpmc_settings *p)
}
}
- if (p->wait_pin > gpmc_nr_waitpins) {
+ if (p->wait_pin != GPMC_WAITPIN_INVALID &&
+ p->wait_pin > gpmc_nr_waitpins) {
pr_err("%s: invalid wait-pin (%d)\n", __func__, p->wait_pin);
return -EINVAL;
}