diff options
| author | David S. Miller <davem@davemloft.net> | 2008-02-18 16:50:22 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-18 16:50:22 -0800 |
| commit | 8f789c48448aed74fe1c07af76de8f04adacec7d (patch) | |
| tree | 6939205a4c21453ae41bae92ce8c10a728c4bae3 /include | |
| parent | 988d0093f9cb2bf27c299e373f9cbaac47dab2c1 (diff) | |
[NET]: Elminate spurious print_mac() calls.
Patrick McHardy notes that print_mac() can get invoked
even if the result it unused (f.e. as an argument to
pr_debug() when DEBUG is not defined).
Mark this function as "__pure" to eliminate this problem.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/if_ether.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 7a1e011b8a2..42dc6a3571e 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -129,7 +129,7 @@ extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); /* * Display a 6 byte device address (MAC) in a readable format. */ -extern char *print_mac(char *buf, const unsigned char *addr); +extern __pure char *print_mac(char *buf, const unsigned char *addr); #define MAC_BUF_SIZE 18 #define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused |