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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2010-02-01 05:12:19 +0300
committerDavid S. Miller <davem@davemloft.net>2010-02-04 06:00:30 +0300
commit8ed030dd0aa400d18c63861c2c6deb7c38f4edde (patch)
treec84de9bd4c14cc9e565b887638d05597e6b6e56c /net/dccp/ccid.c
parentf6815077e75c5b7f55b56fc3788e328514d4e72a (diff)
downloadlinux-8ed030dd0aa400d18c63861c2c6deb7c38f4edde.tar.xz
dccp: fix bug in cache allocation
This fixes a bug introduced in commit de4ef86cfce60d2250111f34f8a084e769f23b16 ("dccp: fix dccp rmmod when kernel configured to use slub", 17 Jan): the vsnprintf used sizeof(slab_name_fmt), which became truncated to 4 bytes, since slab_name_fmt is now a 4-byte pointer and no longer a 32-character array. This lead to error messages such as FATAL: Error inserting dccp: No buffer space available >> kernel: [ 1456.341501] kmem_cache_create: duplicate cache cci generated due to the truncation after the 3rd character. Fixed for the moment by introducing a symbolic constant. Tested to fix the bug. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ccid.c')
-rw-r--r--net/dccp/ccid.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 57dfb9c8c4f2..ff16e9df1969 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -83,7 +83,7 @@ static struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_f
va_list args;
va_start(args, fmt);
- vsnprintf(slab_name_fmt, sizeof(slab_name_fmt), fmt, args);
+ vsnprintf(slab_name_fmt, CCID_SLAB_NAME_LENGTH, fmt, args);
va_end(args);
slab = kmem_cache_create(slab_name_fmt, sizeof(struct ccid) + obj_size, 0,