[PATCH 08/10] fs/cachefiles/: convert to parse_integer()

2015-05-01 Thread Alexey Dobriyan
Convert away from deprecated simple_strto*() interfaces.

Switch "unsigned long" to "unsigned int" where possible.
kstrto*() functions can't be used because of trailing "%" sign. :^)

Signed-off-by: Alexey Dobriyan 
---

 fs/cachefiles/daemon.c |   84 ++---
 1 file changed, 45 insertions(+), 39 deletions(-)

--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -326,14 +326,15 @@ static int cachefiles_daemon_range_error(struct 
cachefiles_cache *cache,
  */
 static int cachefiles_daemon_frun(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long frun;
+   unsigned int frun;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   frun = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -350,14 +351,15 @@ static int cachefiles_daemon_frun(struct cachefiles_cache 
*cache, char *args)
  */
 static int cachefiles_daemon_fcull(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long fcull;
+   unsigned int fcull;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   fcull = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -374,14 +376,15 @@ static int cachefiles_daemon_fcull(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long fstop;
+   unsigned int fstop;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   fstop = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -398,14 +401,15 @@ static int cachefiles_daemon_fstop(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_brun(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long brun;
+   unsigned int brun;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   brun = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -422,14 +426,15 @@ static int cachefiles_daemon_brun(struct cachefiles_cache 
*cache, char *args)
  */
 static int cachefiles_daemon_bcull(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long bcull;
+   unsigned int bcull;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   bcull = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -446,14 +451,15 @@ static int cachefiles_daemon_bcull(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long bstop;
+   unsigned int bstop;
+   int rv;
 
_enter(",%s", args);
 
-   if (!*args)
-   return -EINVAL;
-
-   bstop = simple_strtoul(args, , 10);
+   rv = parse_integer(args, 10, );
+   if (rv < 0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -601,21 +607,21 @@ inval:
  */
 static int cachefiles_daemon_debug(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long mask;
+   unsigned int mask;
+   int rv;
 
_enter(",%s", args);
 
-   mask = simple_strtoul(args, , 0);
-   if (args[0] != '\0')
-   goto inval;
-
+   rv = parse_integer(args, 0, );
+   if (rv < 0)
+   return rv;
+   if (args[rv] != '\0') {
+   pr_err("debug command requires mask\n");
+   return -EINVAL;
+   }
cachefiles_debug = mask;
_leave(" = 0");
return 0;
-
-inval:
-   pr_err("debug command requires mask\n");
-   return -EINVAL;
 }
 
 /*
--
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[PATCH 08/10] fs/cachefiles/: convert to parse_integer()

2015-05-01 Thread Alexey Dobriyan
Convert away from deprecated simple_strto*() interfaces.

Switch unsigned long to unsigned int where possible.
kstrto*() functions can't be used because of trailing % sign. :^)

Signed-off-by: Alexey Dobriyan adobri...@gmail.com
---

 fs/cachefiles/daemon.c |   84 ++---
 1 file changed, 45 insertions(+), 39 deletions(-)

--- a/fs/cachefiles/daemon.c
+++ b/fs/cachefiles/daemon.c
@@ -326,14 +326,15 @@ static int cachefiles_daemon_range_error(struct 
cachefiles_cache *cache,
  */
 static int cachefiles_daemon_frun(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long frun;
+   unsigned int frun;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   frun = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, frun);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -350,14 +351,15 @@ static int cachefiles_daemon_frun(struct cachefiles_cache 
*cache, char *args)
  */
 static int cachefiles_daemon_fcull(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long fcull;
+   unsigned int fcull;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   fcull = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, fcull);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -374,14 +376,15 @@ static int cachefiles_daemon_fcull(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long fstop;
+   unsigned int fstop;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   fstop = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, fstop);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -398,14 +401,15 @@ static int cachefiles_daemon_fstop(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_brun(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long brun;
+   unsigned int brun;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   brun = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, brun);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -422,14 +426,15 @@ static int cachefiles_daemon_brun(struct cachefiles_cache 
*cache, char *args)
  */
 static int cachefiles_daemon_bcull(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long bcull;
+   unsigned int bcull;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   bcull = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, bcull);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -446,14 +451,15 @@ static int cachefiles_daemon_bcull(struct 
cachefiles_cache *cache, char *args)
  */
 static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long bstop;
+   unsigned int bstop;
+   int rv;
 
_enter(,%s, args);
 
-   if (!*args)
-   return -EINVAL;
-
-   bstop = simple_strtoul(args, args, 10);
+   rv = parse_integer(args, 10, bstop);
+   if (rv  0)
+   return rv;
+   args += rv;
if (args[0] != '%' || args[1] != '\0')
return -EINVAL;
 
@@ -601,21 +607,21 @@ inval:
  */
 static int cachefiles_daemon_debug(struct cachefiles_cache *cache, char *args)
 {
-   unsigned long mask;
+   unsigned int mask;
+   int rv;
 
_enter(,%s, args);
 
-   mask = simple_strtoul(args, args, 0);
-   if (args[0] != '\0')
-   goto inval;
-
+   rv = parse_integer(args, 0, mask);
+   if (rv  0)
+   return rv;
+   if (args[rv] != '\0') {
+   pr_err(debug command requires mask\n);
+   return -EINVAL;
+   }
cachefiles_debug = mask;
_leave( = 0);
return 0;
-
-inval:
-   pr_err(debug command requires mask\n);
-   return -EINVAL;
 }
 
 /*
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/