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| author | Axel Lin <axel.lin@ingics.com> | 2014-02-25 09:18:10 +0800 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-03-14 20:19:08 +0100 |
| commit | 3143a4ca610d6a3de0d8814ee6f5f7da6fc7fbfa (patch) | |
| tree | 434e24069b2b015d49981b8d11314e905c1966c6 /net/nfc/llcp_core.c | |
| parent | 365a721adbdfe5f6577a66b9b74c12dc98fbb4a3 (diff) | |
| download | linux-3143a4ca610d6a3de0d8814ee6f5f7da6fc7fbfa.tar.bz2 | |
NFC: Move checking valid gb_len value to nfc_llcp_set_remote_gb
This checking is common for all caller, so move the checking to one place.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/llcp_core.c')
| -rw-r--r-- | net/nfc/llcp_core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c index 9d37dedec906..0cf9d4f45e6a 100644 --- a/net/nfc/llcp_core.c +++ b/net/nfc/llcp_core.c @@ -609,14 +609,16 @@ u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len) int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len) { - struct nfc_llcp_local *local = nfc_llcp_find_local(dev); + struct nfc_llcp_local *local; + + if (gb_len < 3 || gb_len > NFC_MAX_GT_LEN) + return -EINVAL; + local = nfc_llcp_find_local(dev); if (local == NULL) { pr_err("No LLCP device\n"); return -ENODEV; } - if (gb_len < 3) - return -EINVAL; memset(local->remote_gb, 0, NFC_MAX_GT_LEN); memcpy(local->remote_gb, gb, gb_len); |