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mfd: ab8500-debugfs: Fix incompatible types in comparison expression issue

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Smatch reports:

 drivers/mfd/ab8500-debugfs.c:1804:20: error: incompatible types in comparison expression (different type sizes):
 drivers/mfd/ab8500-debugfs.c:1804:20:    unsigned int *
 drivers/mfd/ab8500-debugfs.c:1804:20:    unsigned long *

This is due to mixed types being compared in a min() comparison.  Fix
this by treating values as signed and casting them to the same type
as the receiving variable.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Lee Jones 2020-06-23 11:05:23 +01:00
parent 54daa5d47c
commit ddb6b26c41
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/ab8500-debugfs.c
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@ -1801,7 +1801,7 @@ static ssize_t ab8500_hwreg_write(struct file *file,
int buf_size, ret;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf)-1));
buf_size = min((int)count, (int)(sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;