target/linux/generic/pending-4.19/441-block2mtd_probe.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Subject: block2mtd
   3
   4 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   5 ---
   6  drivers/mtd/devices/block2mtd.c | 9 ++++++---
   7  1 file changed, 6 insertions(+), 3 deletions(-)
   8
   9 --- a/drivers/mtd/devices/block2mtd.c
  10 +++ b/drivers/mtd/devices/block2mtd.c
  11 @@ -387,7 +387,7 @@ static int block2mtd_setup2(const char *
  12         /* 80 for device, 12 for erase size, 80 for name, 8 for timeout */
  13         char buf[80 + 12 + 80 + 8];
  14         char *str = buf;
  15 -       char *token[3];
  16 +       char *token[4];
  17         char *name;
  18         size_t erase_size = PAGE_SIZE;
  19         unsigned long timeout = MTD_DEFAULT_TIMEOUT;
  20 @@ -401,7 +401,7 @@ static int block2mtd_setup2(const char *
  21         strcpy(str, val);
  22         kill_final_newline(str);
  23
  24 -       for (i = 0; i < 3; i++)
  25 +       for (i = 0; i < 4; i++)
  26                 token[i] = strsep(&str, ",");
  27
  28         if (str) {
  29 @@ -430,6 +430,9 @@ static int block2mtd_setup2(const char *
  30         if (token[2] && (strlen(token[2]) + 1 > 80))
  31                 pr_err("mtd device name too long\n");
  32
  33 +       if (token[3] && kstrtoul(token[3], 0, &timeout))
  34 +               pr_err("invalid timeout\n");
  35 +
  36         add_device(name, erase_size, token[2], timeout);
  37
  38         return 0;
  39 @@ -464,7 +467,7 @@ static int block2mtd_setup(const char *v
  40
  41
  42  module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200);
  43 -MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>]]\"");
  44 +MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>[,<timeout>]]]\"");
  45
  46  static int __init block2mtd_init(void)
  47  {