[PATCH 1/1] fs/cachefiles/daemon.c: remove unnecessary tests on unsigned values

From: Fabian Frederick
Date: Mon Jun 09 2014 - 15:04:19 EST


size_t and unsigned long values are never < 0

Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
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 b078d30..ff43e5a 100644
--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -222,7 +222,7 @@ 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 */
@@ -385,7 +385,7 @@ 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;
@@ -457,7 +457,7 @@ 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;
--
1.8.4.5

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