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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2010-10-29 16:50:39 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-29 16:50:50 +0200 |
| commit | 3c8ebca0453c71a2a8be79e6dd40e7be2d6167cb (patch) | |
| tree | 7ebee2073ac4bd32638931fadadcfc22a4855675 /arch/s390/hypfs | |
| parent | 0b52783d4feb14d6ff990a63512a66d6131d41f9 (diff) | |
| download | kernel_samsung_smdk4412-3c8ebca0453c71a2a8be79e6dd40e7be2d6167cb.zip kernel_samsung_smdk4412-3c8ebca0453c71a2a8be79e6dd40e7be2d6167cb.tar.gz kernel_samsung_smdk4412-3c8ebca0453c71a2a8be79e6dd40e7be2d6167cb.tar.bz2 | |
[S390] hypfs: Fix error handling in hypfs_diag initialization
Fix the following two error handling bugs in hypfs_diag_init():
* No need for calling diag204_free_buffer()
* Initialize name table only in case of LPAR and prevent error message
on non-LPAR systems.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/hypfs')
| -rw-r--r-- | arch/s390/hypfs/hypfs_diag.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 020e51c..cd4a81b 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -638,18 +638,21 @@ __init int hypfs_diag_init(void) pr_err("The hardware system does not support hypfs\n"); return -ENODATA; } - rc = diag224_get_name_table(); - if (rc) { - diag204_free_buffer(); - pr_err("The hardware system does not provide all " - "functions required by hypfs\n"); - } if (diag204_info_type == INFO_EXT) { rc = hypfs_dbfs_init(); if (rc) - diag204_free_buffer(); + return rc; } - return rc; + if (MACHINE_IS_LPAR) { + rc = diag224_get_name_table(); + if (rc) { + pr_err("The hardware system does not provide all " + "functions required by hypfs\n"); + debugfs_remove(dbfs_d204_file); + return rc; + } + } + return 0; } void hypfs_diag_exit(void) |