This pull request contains a single fix for MTD:

- Fix for a possible infinite loop in the cfi_cmdset_0002 driver
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Merge tag 'mtd/fixes-for-5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD fix from Richard Weinberger:
 "A single fix for a possible infinite loop in the cfi_cmdset_0002
  driver"

* tag 'mtd/fixes-for-5.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer
This commit is contained in:
Linus Torvalds 2019-04-07 06:07:20 -10:00
commit 82331a70cc
1 changed files with 5 additions and 1 deletions

View File

@ -1876,7 +1876,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
continue; continue;
} }
if (time_after(jiffies, timeo) && !chip_ready(map, adr)) /*
* We check "time_after" and "!chip_good" before checking "chip_good" to avoid
* the failure due to scheduling.
*/
if (time_after(jiffies, timeo) && !chip_good(map, adr, datum))
break; break;
if (chip_good(map, adr, datum)) { if (chip_good(map, adr, datum)) {