| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /// |
| 3 | /// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)) |
| 4 | /// |
| 5 | // Confidence: High |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 6 | // Copyright: (C) 2009, 2010 Nicolas Palix, DIKU. |
| 7 | // Copyright: (C) 2009, 2010 Julia Lawall, DIKU. |
| 8 | // Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 9 | // URL: http://coccinelle.lip6.fr/ |
| 10 | // Options: |
| 11 | // |
| 12 | // Keywords: ERR_PTR, PTR_ERR, ERR_CAST |
| 13 | // Version min: 2.6.25 |
| 14 | // |
| 15 | |
| 16 | virtual context |
| 17 | virtual patch |
| 18 | virtual org |
| 19 | virtual report |
| 20 | |
| 21 | |
| 22 | @ depends on context && !patch && !org && !report@ |
| 23 | expression x; |
| 24 | @@ |
| 25 | |
| 26 | * ERR_PTR(PTR_ERR(x)) |
| 27 | |
| 28 | @ depends on !context && patch && !org && !report @ |
| 29 | expression x; |
| 30 | @@ |
| 31 | |
| 32 | - ERR_PTR(PTR_ERR(x)) |
| 33 | + ERR_CAST(x) |
| 34 | |
| 35 | @r depends on !context && !patch && (org || report)@ |
| 36 | expression x; |
| 37 | position p; |
| 38 | @@ |
| 39 | |
| 40 | ERR_PTR@p(PTR_ERR(x)) |
| 41 | |
| 42 | @script:python depends on org@ |
| 43 | p << r.p; |
| 44 | x << r.x; |
| 45 | @@ |
| 46 | |
| 47 | msg="WARNING ERR_CAST can be used with %s" % (x) |
| 48 | msg_safe=msg.replace("[","@(").replace("]",")") |
| 49 | coccilib.org.print_todo(p[0], msg_safe) |
| 50 | |
| 51 | @script:python depends on report@ |
| 52 | p << r.p; |
| 53 | x << r.x; |
| 54 | @@ |
| 55 | |
| 56 | msg="WARNING: ERR_CAST can be used with %s" % (x) |
| 57 | coccilib.report.print_report(p[0], msg) |