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Subject[PATCH v2 18/19] mac80211: make ieee80211_new_mesh_header return unsigned
Date
The function returns always non-negative values.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
v2: added missing declaration change, fixed indentation
---
net/mac80211/mesh.c | 6 +++---
net/mac80211/mesh.h | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index e06a5ca..90567fc 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -540,9 +540,9 @@ int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
*
* Return the header length.
*/
-int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
- struct ieee80211s_hdr *meshhdr,
- const char *addr4or5, const char *addr6)
+unsigned int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211s_hdr *meshhdr,
+ const char *addr4or5, const char *addr6)
{
if (WARN_ON(!addr4or5 && addr6))
return 0;
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 50c8473..029e41d 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -207,9 +207,9 @@ struct mesh_rmc {
/* Various */
int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
const u8 *da, const u8 *sa);
-int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
- struct ieee80211s_hdr *meshhdr,
- const char *addr4or5, const char *addr6);
+unsigned int ieee80211_new_mesh_header(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211s_hdr *meshhdr,
+ const char *addr4or5, const char *addr6);
int mesh_rmc_check(struct ieee80211_sub_if_data *sdata,
const u8 *addr, struct ieee80211s_hdr *mesh_hdr);
bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
--
1.9.1


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