History

dangling pointer reference (Tim Wiess)

Russ Cox committed 20 years ago

Commit d4753be1 parent 353f9081 file · +5 −5Browse files

Unified · Split

kern/devmnt.c+5−5
@@ -220,9 +220,6 @@ mntversion(Chan *c, char *version, int msize, int returnlen) · 219 unmodified lines
220 m->msize = f.msize;220 m->msize = f.msize;
221 unlock(&mntalloc.lk);221 unlock(&mntalloc.lk);
222 222
223 poperror(); /* msg */
224 free(msg);
225
226 lock(&m->lk);223 lock(&m->lk);
227 m->queue = 0;224 m->queue = 0;
228 m->rip = 0;225 m->rip = 0;
@@ -232,16 +229,19 @@ mntversion(Chan *c, char *version, int msize, int returnlen) · 3 unmodified lines
232 m->c = c;229 m->c = c;
233 unlock(&m->lk);230 unlock(&m->lk);
234 231
232 poperror(); /* msg */
235 poperror(); /* c */233 poperror(); /* c */
236 qunlock(&c->umqlock);234 qunlock(&c->umqlock);
237 235
238 k = strlen(f.version);236 k = strlen(f.version);
239 if(returnlen > 0){237 if(returnlen > 0){
240 if(returnlen < k)238 if(returnlen < k){
239 free(msg);
241 error(Eshort);240 error(Eshort);
241 }
242 memmove(version, f.version, k);242 memmove(version, f.version, k);
243 }243 }
244 244 free(msg);
245 return k;245 return k;
246}246}
247 247

Keyboard shortcuts

General

Show keyboard shortcuts
?
Focus the current search
/

Issues and pull requests

Open filters
f

Issues, pull requests and Inbox

Select next item
j↓
Select previous item
k↑
Open selected item
Enter
Dismiss filters or clear selection
Esc

Repository code

Go to file
t