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authorJ. Bruce Fields <bfields@redhat.com>2012-06-12 16:54:16 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-17 13:16:12 -0800
commit588c72e88125b1abe50efb3f1b6b768b98302e2c (patch)
tree63c14c345a99ea6e6bc52f76ab0ed756514ec131
parent0ada2107a13f1b1ae8bdd5fec32912bc40f4e679 (diff)
nfsd: add get_uint for u32's
commit a007c4c3e943ecc054a806c259d95420a188754b upstream. I don't think there's a practical difference for the range of values these interfaces should see, but it would be safer to be unambiguous. Signed-off-by: J. Bruce Fields <bfields@redhat.com> Cc: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/nfsd/export.c6
-rw-r--r--include/linux/sunrpc/cache.h16
2 files changed, 19 insertions, 3 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 8e9689abbc0c..e9a020f283f7 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -401,7 +401,7 @@ fsloc_parse(char **mesg, char *buf, struct nfsd4_fs_locations *fsloc)
int migrated, i, err;
/* listsize */
- err = get_int(mesg, &fsloc->locations_count);
+ err = get_uint(mesg, &fsloc->locations_count);
if (err)
return err;
if (fsloc->locations_count > MAX_FS_LOCATIONS)
@@ -459,7 +459,7 @@ static int secinfo_parse(char **mesg, char *buf, struct svc_export *exp)
return -EINVAL;
for (f = exp->ex_flavors; f < exp->ex_flavors + listsize; f++) {
- err = get_int(mesg, &f->pseudoflavor);
+ err = get_uint(mesg, &f->pseudoflavor);
if (err)
return err;
/*
@@ -468,7 +468,7 @@ static int secinfo_parse(char **mesg, char *buf, struct svc_export *exp)
* problem at export time instead of when a client fails
* to authenticate.
*/
- err = get_int(mesg, &f->flags);
+ err = get_uint(mesg, &f->flags);
if (err)
return err;
/* Only some flags are allowed to differ between flavors: */
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index f5fd6160dbca..dd2bb84526a4 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -228,6 +228,22 @@ static inline int get_int(char **bpp, int *anint)
return 0;
}
+static inline int get_uint(char **bpp, unsigned int *anint)
+{
+ char buf[50];
+ int len = qword_get(bpp, buf, sizeof(buf));
+
+ if (len < 0)
+ return -EINVAL;
+ if (len == 0)
+ return -ENOENT;
+
+ if (kstrtouint(buf, 0, anint))
+ return -EINVAL;
+
+ return 0;
+}
+
/*
* timestamps kept in the cache are expressed in seconds
* since boot. This is the best for measuring differences in