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-rw-r--r--drivers/char/mem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1ccbe9482faa..2ca6d7844ad9 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -745,7 +745,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
offset += file->f_pos;
case SEEK_SET:
/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
- if ((unsigned long long)offset >= ~0xFFFULL) {
+ if (IS_ERR_VALUE((unsigned long long)offset)) {
ret = -EOVERFLOW;
break;
}