Fixes gcc warning: fs/cachefiles/daemon.c:228:14: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] fs/cachefiles/daemon.c:385:12: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] fs/cachefiles/daemon.c:457:12: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx> --- fs/cachefiles/daemon.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c index 752c1e4..24b1797 100644 --- a/fs/cachefiles/daemon.c +++ b/fs/cachefiles/daemon.c @@ -225,7 +225,7 @@ static ssize_t cachefiles_daemon_write(struct file *file, if (test_bit(CACHEFILES_DEAD, &cache->flags)) return -EIO; - if (datalen < 0 || datalen > PAGE_SIZE - 1) + if (datalen > PAGE_SIZE - 1) return -EOPNOTSUPP; /* drag the command string into the kernel so we can parse it */ @@ -382,7 +382,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args) if (args[0] != '%' || args[1] != '\0') return -EINVAL; - if (fstop < 0 || fstop >= cache->fcull_percent) + if (fstop >= cache->fcull_percent) return cachefiles_daemon_range_error(cache, args); cache->fstop_percent = fstop; @@ -454,7 +454,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args) if (args[0] != '%' || args[1] != '\0') return -EINVAL; - if (bstop < 0 || bstop >= cache->bcull_percent) + if (bstop >= cache->bcull_percent) return cachefiles_daemon_range_error(cache, args); cache->bstop_percent = bstop; -- 2.7.4 -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cachefs