diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/dynamic_printk.c | 58 |
1 files changed, 26 insertions, 32 deletions
diff --git a/lib/dynamic_printk.c b/lib/dynamic_printk.c index 8e30295e8566..165a19763dc9 100644 --- a/lib/dynamic_printk.c +++ b/lib/dynamic_printk.c | |||
@@ -277,40 +277,34 @@ static ssize_t pr_debug_write(struct file *file, const char __user *buf, | |||
277 | dynamic_enabled = DYNAMIC_ENABLED_NONE; | 277 | dynamic_enabled = DYNAMIC_ENABLED_NONE; |
278 | } | 278 | } |
279 | err = 0; | 279 | err = 0; |
280 | } else { | 280 | } else if (elem) { |
281 | if (elem) { | 281 | if (value && (elem->enable == 0)) { |
282 | if (value && (elem->enable == 0)) { | 282 | dynamic_printk_enabled |= (1LL << elem->hash1); |
283 | dynamic_printk_enabled |= | 283 | dynamic_printk_enabled2 |= (1LL << elem->hash2); |
284 | (1LL << elem->hash1); | 284 | elem->enable = 1; |
285 | dynamic_printk_enabled2 |= | 285 | num_enabled++; |
286 | (1LL << elem->hash2); | 286 | dynamic_enabled = DYNAMIC_ENABLED_SOME; |
287 | elem->enable = 1; | 287 | err = 0; |
288 | num_enabled++; | 288 | printk(KERN_DEBUG |
289 | dynamic_enabled = DYNAMIC_ENABLED_SOME; | 289 | "debugging enabled for module %s\n", |
290 | err = 0; | 290 | elem->name); |
291 | printk(KERN_DEBUG | 291 | } else if (!value && (elem->enable == 1)) { |
292 | "debugging enabled for module %s\n", | 292 | elem->enable = 0; |
293 | elem->name); | 293 | num_enabled--; |
294 | } else if (!value && (elem->enable == 1)) { | 294 | if (disabled_hash(elem->hash1, true)) |
295 | elem->enable = 0; | 295 | dynamic_printk_enabled &= |
296 | num_enabled--; | ||
297 | if (disabled_hash(elem->hash1, true)) | ||
298 | dynamic_printk_enabled &= | ||
299 | ~(1LL << elem->hash1); | 296 | ~(1LL << elem->hash1); |
300 | if (disabled_hash(elem->hash2, false)) | 297 | if (disabled_hash(elem->hash2, false)) |
301 | dynamic_printk_enabled2 &= | 298 | dynamic_printk_enabled2 &= |
302 | ~(1LL << elem->hash2); | 299 | ~(1LL << elem->hash2); |
303 | if (num_enabled) | 300 | if (num_enabled) |
304 | dynamic_enabled = | 301 | dynamic_enabled = DYNAMIC_ENABLED_SOME; |
305 | DYNAMIC_ENABLED_SOME; | 302 | else |
306 | else | 303 | dynamic_enabled = DYNAMIC_ENABLED_NONE; |
307 | dynamic_enabled = | 304 | err = 0; |
308 | DYNAMIC_ENABLED_NONE; | 305 | printk(KERN_DEBUG |
309 | err = 0; | 306 | "debugging disabled for module %s\n", |
310 | printk(KERN_DEBUG | 307 | elem->name); |
311 | "debugging disabled for module " | ||
312 | "%s\n", elem->name); | ||
313 | } | ||
314 | } | 308 | } |
315 | } | 309 | } |
316 | } | 310 | } |