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-rw-r--r--drivers/firmware/arm_ffa/driver.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index 88b822575ac4..c9fb56afbcb4 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -149,8 +149,10 @@ static const int ffa_linux_errmap[] = {
static inline int ffa_to_linux_errno(int errno)
{
- if (errno < FFA_RET_SUCCESS && errno >= -ARRAY_SIZE(ffa_linux_errmap))
- return ffa_linux_errmap[-errno];
+ int err_idx = -errno;
+
+ if (err_idx >= 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap))
+ return ffa_linux_errmap[err_idx];
return -EINVAL;
}