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Subject: Re: [PATCH] strstrip incorrectly marked __must_check

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Recently, We marked strstrip() as must_check.  because it was frequently
misused and it should be checked.  However, we found one exception.
scsi/ipr.c intentionally ignore return value of strstrip.  Because it
wishes to keep the whitespace at the beginning.

Thus we need to keep with and without checked whitespace trim function.
This patch adds a new strim() and changes ipr.c to use it.

[[email protected]: coding-style fixes]
Suggested-by: Alan Cox <[email protected]>
Signed-off-by: KOSAKI Motohiro <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
KOSAKI Motohiro 2009-12-14 18:01:15 -08:00 • committed by Linus Torvalds
commit ca54cb8c9e
3 changed files with 13 additions and 6 deletions
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4
drivers/scsi/ipr.c
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@ -1333,7 +1333,7 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
error = &hostrcb->hcam.u.error.u.type_17_error;
error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
strstrip(error->failure_reason);
strim(error->failure_reason);
ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,
be32_to_cpu(hostrcb->hcam.u.error.prc));
@ -1359,7 +1359,7 @@ static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
error = &hostrcb->hcam.u.error.u.type_07_error;
error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
strstrip(error->failure_reason);
strim(error->failure_reason);
ipr_hcam_err(hostrcb, "%s [PRC: %08X]\n", error->failure_reason,
be32_to_cpu(hostrcb->hcam.u.error.prc));