diff options
Diffstat (limited to 'methods/rred.cc')
-rw-r--r-- | methods/rred.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/methods/rred.cc b/methods/rred.cc index e37a12ed9..1e352d0e7 100644 --- a/methods/rred.cc +++ b/methods/rred.cc @@ -333,7 +333,12 @@ RredMethod::State RredMethod::patchMMap(FileFd &Patch, FileFd &From, /*{{{*/ } if(command_count == command_alloc) { command_alloc = (command_alloc + 64) * 3 / 2; - commands = (EdCommand*) realloc(commands, command_alloc * sizeof(EdCommand)); + EdCommand* newCommands = (EdCommand*) realloc(commands, command_alloc * sizeof(EdCommand)); + if (newCommands == NULL) { + free(commands); + return MMAP_FAILED; + } + commands = newCommands; } commands[command_count++] = cmd; } |