Re: [PATCH] dax: Fix wrong error-number passed into xas_set_err()

> The error-number passed into xas_set_err() should be negative. Otherwise, > the xas_error() will return 0, and grab_mapping_entry() will return the > found entry instead of a SIGBUS error when the entry is not a value. > And then, the subsequent code path would be wrong. > > Signed-off-by: Hao

[PATCH] dax: Fix wrong error-number passed into xas_set_err()

The error-number passed into xas_set_err() should be negative. Otherwise, the xas_error() will return 0, and grab_mapping_entry() will return the found entry instead of a SIGBUS error when the entry is not a value. And then, the subsequent code path would be wrong. Signed-off-by: Hao Li ---