A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

param: simple locking for sysfs-writable charp parameters

Browse source 
Since the writing to sysfs can free the old one, we need to block that
when we access the charp variables.

Signed-off-by: Rusty Russell <[email protected]>
Reviewed-by: Takashi Iwai <[email protected]>
Tested-by: Phil Carmody <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: John W. Linville <[email protected]>
Cc: Jing Huang <[email protected]>
Cc: James E.J. Bottomley <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
This commit is contained in:
Rusty Russell 2010-08-11 23:04:27 -06:00
commit d6d1b650ae
7 changed files with 24 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
net/mac80211/rate.c
View file

@ -103,6 +103,7 @@ ieee80211_rate_control_ops_get(const char *name)
struct rate_control_ops *ops;
const char *alg_name;
kparam_block_sysfs_write(ieee80211_default_rc_algo);
if (!name)
alg_name = ieee80211_default_rc_algo;
else
@ -120,6 +121,7 @@ ieee80211_rate_control_ops_get(const char *name)
/* try built-in one if specific alg requested but not found */
if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT))
ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT);
kparam_unblock_sysfs_write(ieee80211_default_rc_algo);
return ops;
}